Multigraphs with theming.

• Added predefined theme support.
• Added 3 themes.
  • Smooth curved fill
  • Traffic
  • Simple Line
• Fixed normalization issue in multiple graph plotting.
• Better axis.
• Axis labeling.
• Custom window title.
• Bug fixes.

Line grapher with multi window support.

Fixed several bugs.
Added support for multiple windows.
Unsorted points addition.
Exception handling.

Line grapher with autoplotting support.

Fixed <10 max number.

Line grapher with autoplotting support.

Fixed a lot of bugs.
Added auto plotting capability.

Basic line grapher

v0.3

Merge remote-tracking branch 'origin/master'