Moved functions to helper namespace
Changed namespace and added Line chart constructor
Refactored structure
Refactored code and responsive options handling
Moved re-draw on re-size into line chart assuming we can get rid of it sooner or later (see code comments)
Moved line chart to separate file so core, line, bar and others should use individual files
Refactored structure and updated to 0.0.5
0.0.5 lib dist