0.7.2 Update & Added demo.html

Changelog:
~ Moved several functions outside of objects.
~ Wrote color parser function.
~ Made properties private.
~ Removed public accessor for several functions.
~ Added public setter for default data.
~ Removed overwrite property.
~ Made focusColor a property.
~ Fixed selection bug with Ctrl + Del shortcut.
~ Reorganized fetching unique id.