fixed bugs with legends options on charts type classes

fixed bugs with legends options on charts type classes

Charts Legends enable and ready to use and customize

1.3.3

issue #4 finished: display chart legends enable and ready to use and …

Bugs fixed and better code style

1.3.2

fix for #3 issue and some changes in code for better style code

Some fixes

Just some fixes.

1.2.0

More elegant and organized files