Add types before brackets, not depend on codeigniter type db object, update class Name#2

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hasnat wants to merge 2 commits intoSeanJA:masterfrom hasnat:master

+87-23

Commits on Aug 11, 2017

Add types before brackets
hasnat
committed

Commits on Aug 15, 2017

Not depend on codeigniter db object, add interface for mysql
hasnat
committed