Adds ability to pass hex color params directly
Properly handle clean colors
Adds ability to pass RGBA color params directly
Adds ability to pass HSVA color params directly
Adds checks for proper parameters and refactoring
Updates stylesheet color reference; sample app
Adds color.with(options) method

  Options allow all rgba values
x % 16 shouldn't use 256, + tests
Final refactoring; removes color pollution; adds from_base
Merge pull request #157 from squidpunch/expand-color

Allows color creation by passing in parameters