Changed format type to unsigned long, to match argument type
Merge pull request #2 from coryallegory/UInt32warnings

Changed format type to unsigned long, to match argument type
ifdef out unused functions on iOS 5+.
Merge pull request #3 from th-in-gs/master

ifdef out unused functions on iOS 5+.
Added convenience method for specifying alpha value for color derived from hexstring
Better method description
Merge pull request #4 from coryallegory/HexColor_w_Alpha

Add convenience method for specifying hexstring color with alpha value
Added inverseColor and colorWithHueComponent:
Merge branch 'master' into newstex/develop
Fixed compiler warnings.