Set the default colors of OPERATORS, NUMBERS and BRACES to 0,0,0 normal
style instead of trying to get the current style of the default style. 
What was happening is that when you hit the "Restore Defaults" you were
getting odd behavior, where the defaults weren't "0,0,0" but were the
previous state of the default text color.
Merge pull request #181 from stevenaz/master

Reset defaults of OPERATORS, NUMBERS and BRACKETS to 000