rejects now properly test for RGB 255 and RGB using percentages, before it allowed mixing of percentages or numbers between 0-255 but it's either or now.
add rgb color validation function + Test Code
add rgba color validation function + Test Code
add hsl color validation function + Test Code
add hula color validation function + Test Code
add numeric validation function + Test Cases
add number validation function + Test Cases
add hexadecimal validation function + Test Cases
add hexcolor validation function + Test Cases
add email validation function + Test Cases