Release v0.0.15

BaseNode class new functions:

• connected_input_nodes
• connected_output_nodes
• on_input_connected
• on_input_disconnected

NodeGraph class:

• port_connected and port_disconnected Signals now emits (input port, output port) where before it emitted (source port, target port)

Release v0.0.14

• implemented NodeGraph().widget attribute this returns a QWidget() wrapper to the node graph.
• minor bug fix to node viewer.
• minor doc string clean up.

Release v0.0.13

• angled pipe layout option from @nallath #134
• load node graph session from dictionary object from @nallath #133

Release v0.0.12

• Shift+LMB on selected pipe spawns a new live pipe connection instead of disconnecting the selected pipe as the live pipe.
• added cursor pos threshold in NodeViewer.sceneMouseReleaseEvent see issue #124
• redesigned the live pipe.
• refactored NodeViewer live pipe code.

Release v0.0.11

• implemented NodeGraph.port_disconnected signal for #122

Release v0.0.10

• addressed issue #111 and #120 thanks to @jaxxtrend

Release v0.0.9

• Typo fix to NodeAddedCmd undo command class from @BigRoy

Release v0.0.8

• implemented custom port color for BaseNode object.
• updated BackdropNode.backdrop_text property widget.

Release v0.0.7

• added port snapping falloff range set from NodeGraphQt.constants.PORT_FALLOFF
• global port size is now set from NodeGraphQt.constantsPORT_DEFAULT_SIZE
• updated live pipe draw Z order, the live pipe now renders above node and port items.
• refactored NodeItem port arrangement and layout functions.

Release v0.0.6

• addressed issue #112