diff --git a/Cargo.lock b/Cargo.lock
index e67239fee..b52fc65d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,6 +14,28 @@ dependencies = [
  "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "alsa-sys"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "ansi_term"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "approx"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "arc-swap"
 version = "0.3.7"
@@ -27,6 +49,16 @@ dependencies = [
  "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "atty"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "autocfg"
 version = "0.1.2"
@@ -55,16 +87,16 @@ version = "0.32.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cexpr 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "clang-sys 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "which 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -125,11 +157,53 @@ name = "cc"
 version = "1.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "cexpr"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "nom 3.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "cfg-if"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "cgmath"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "approx 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "clang-sys"
+version = "0.21.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libloading 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "clap"
+version = "2.32.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "cloudabi"
 version = "0.0.3"
@@ -138,6 +212,45 @@ dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "coreaudio-rs"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "coreaudio-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "coreaudio-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bindgen 0.32.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cpal"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "alsa-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "coreaudio-rs 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "crossbeam"
 version = "0.6.0"
@@ -666,6 +779,14 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "memchr"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "memchr"
 version = "2.1.3"
@@ -877,6 +998,11 @@ dependencies = [
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "percent-encoding"
 version = "1.0.1"
@@ -906,6 +1032,14 @@ dependencies = [
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "proc-macro2"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.27"
@@ -961,6 +1095,14 @@ name = "quote"
 version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "quote"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "quote"
 version = "0.6.11"
@@ -1116,7 +1258,7 @@ name = "redox_termios"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1162,7 +1304,7 @@ source = "git+https://github.com/tomaka/rodio#8dd11878ff907b6feecafa8f842a8220ba
 dependencies = [
  "cgmath 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cpal 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1355,6 +1497,16 @@ name = "stable_deref_trait"
 version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "stdweb"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "strsim"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "syn"
 version = "0.11.11"
@@ -1418,8 +1570,8 @@ name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1772,11 +1924,6 @@ name = "unicode-width"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "unicode-width"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "unicode-xid"
 version = "0.0.4"
@@ -1900,6 +2047,14 @@ dependencies = [
  "try-lock 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "which"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "winapi"
 version = "0.2.8"
@@ -1941,11 +2096,16 @@ dependencies = [
 [metadata]
 "checksum aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1e9a933f4e58658d7b12defcf96dc5c720f20832deebe3e0a19efd3b6aaeeb9e"
 "checksum alsa 0.0.1 (git+https://github.com/plietar/rust-alsa)" = "<none>"
+"checksum alsa-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b0edcbbf9ef68f15ae1b620f722180b82a98b6f0628d30baa6b8d2a5abc87d58"
+"checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
+"checksum approx 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "08abcc3b4e9339e33a3d0a5ed15d84a687350c05689d825e0f6655eef9e76a94"
 "checksum arc-swap 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "1025aeae2b664ca0ea726a89d574fe8f4e77dd712d443236ad1de00379450cf6"
 "checksum arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "92c7fb76bc8826a8b33b4ee5bb07a247a81e76764ab4d55e8f73e3a4d8808c71"
+"checksum atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
 "checksum autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a6d640bee2da49f60a4068a7fae53acde8982514ab7bae8b8cea9e88cbcfd799"
 "checksum base64 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "30e93c03064e7590d0466209155251b90c22e37fab1daf2771582598b5827557"
 "checksum base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "489d6c0ed21b11d038c31b6ceccca973e65d73ba3bd8ecb9a2babf5546164643"
+"checksum bindgen 0.32.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8b242e11a8f446f5fc7b76b37e81d737cabca562a927bd33766dac55b5f1177f"
 "checksum bit-set 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d9bf6104718e80d7b26a68fdbacff3481cfc05df670821affc7e9cbc1884400c"
 "checksum bit-vec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "02b4ff8b16e6076c3e14220b39fbc1fabb6737522281a388998046859400895f"
 "checksum bitflags 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "32866f4d103c4e438b1db1158aa1b1a80ee078e5d77a59a2f906fd62a577389c"
@@ -1956,8 +2116,16 @@ dependencies = [
 "checksum bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "40ade3d27603c2cb345eb0912aec461a6dec7e06a4ae48589904e808335c7afa"
 "checksum c_linked_list 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4964518bd3b4a8190e832886cdc0da9794f12e8e6c1613a9e90ff331c4c8724b"
 "checksum cc 1.0.29 (registry+https://github.com/rust-lang/crates.io-index)" = "4390a3b5f4f6bce9c1d0c00128379df433e53777fdd30e92f16a529332baec4e"
+"checksum cexpr 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "42aac45e9567d97474a834efdee3081b3c942b2205be932092f53354ce503d6c"
 "checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
+"checksum cgmath 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "87f025a17ad3f30d49015c787903976d5f9cd6115ece1eb7f4d6ffe06b8c4080"
+"checksum clang-sys 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e414af9726e1d11660801e73ccc7fb81803fb5f49e5903a25b348b2b3b480d2e"
+"checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
+"checksum core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "716c271e8613ace48344f723b60b900a93150271e5be206212d052bbc0883efa"
+"checksum coreaudio-rs 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f229761965dad3e9b11081668a6ea00f1def7aa46062321b5ec245b834f6e491"
+"checksum coreaudio-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "78fdbabf58d5b1f461e31b94a571c109284f384cec619a3d96e66ec55b4de82b"
+"checksum cpal 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d58ae1ed6536b1b233f5e3aeb6997a046ddb4d05e3f61701b58a92eb254a829e"
 "checksum crossbeam 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ad4c7ea749d9fb09e23c5cb17e3b70650860553a0e2744e38446b1803bf7db94"
 "checksum crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "0f0ed1a4de2235cabda8558ff5840bffb97fcb64c97827f354a451307df5f72b"
 "checksum crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "05e44b8cf3e1a625844d1750e1f7820da46044ff6d28f4d43e455ba3e5bb2c13"
@@ -1978,6 +2146,7 @@ dependencies = [
 "checksum get_if_addrs 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "abddb55a898d32925f3148bd281174a68eeb68bbfd9a5938a57b18f506ee4ef7"
 "checksum get_if_addrs-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0d04f9fb746cf36b191c00f3ede8bde9c8e64f9f4b05ae2694a9ccf5e3f5ab48"
 "checksum getopts 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "0a7292d30132fb5424b354f5dc02512a86e4c516fe544bb7a25e7f266951b797"
+"checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
 "checksum httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e8734b0cfd3bc3e101ec59100e101c2eecd19282202e87808b3037b442777a83"
 "checksum hyper 0.11.27 (registry+https://github.com/rust-lang/crates.io-index)" = "34a590ca09d341e94cddf8e5af0bbccde205d5fbc2fa3c09dd67c7f85cea59d7"
 "checksum hyper-proxy 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "44f0925de2747e481e6e477dd212c25e8f745567f02f6182e04d27b97c3fbece"
@@ -2001,6 +2170,7 @@ dependencies = [
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 "checksum mdns 0.2.0 (git+https://github.com/plietar/rust-mdns)" = "<none>"
+"checksum memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "148fab2e51b4f1cfc66da2a7c32981d1d3c083a803978268bb11fe4b86925e7a"
 "checksum memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e1dd4eaac298c32ce07eb6ed9242eda7d82955b9170b7d6db59b2e02cc63fcb8"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)" = "3e27ca21f40a310bd06d9031785f4801710d566c184a6e15bad4f1d9b65f9425"
@@ -2013,6 +2183,7 @@ dependencies = [
 "checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
 "checksum nix 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d37e713a259ff641624b6cb20e3b12b2952313ba36b6823c0f16e6cfd9e5de17"
 "checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
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