Merge pull request #10 from macoslib/master

Merge
Merge pull request #11 from macoslib/master

Sync changes.
Merge pull request #12 from macoslib/master

Sync changes.
Rename ValuesAsArrayOfStrings to StringValues; this method now raises a TypeMismatchException when some array element does not inherit from NSString instead of skipping; fix several occurrences of a bug in NSFontManager in which NSArray.VariantValue was being returned instead of a String array.
Remove commented-out code.
Clean up code here and there.
Rewrite NSString; conversion to and from String is now implemented.  Changes to this class required changing other code as well.
Merge branch 'macoslib-master'
Merge pull request #13 from macoslib/master

Update my master
Merge branch 'macoslib-master'
Merge pull request #24 from tempelmann/master

Core Text support added. With nice example
Merge pull request #25 from tempelmann/master

Adds CFAttributedString and CFMutableAttributedString and makes CoreText methods depend on these CF types instead of NS types.
Merge pull request #14 from macoslib/master

Merge from master
Merge pull request #26 from tempelmann/master

Fixes handling of empty lines in CTLine example
Merge pull request #27 from tempelmann/master

Core Text: Fixes small issues and adds setting of Font
Refactor NSMenuItem.CreateSeparatorItem.
Add method NSSearchField.AddMenuSeparator; add separator to NSSearchField example.
Merge pull request #28 from declaresub/master

Add NSSearchField.AddMenuSeparator.
Remove NSFont.ConvertFontToHaveTrait; this method properly belongs in NSFontManager, which does have such a method.
Add TextAreaExtension.Bold, Italic.  These methods implement setting font traits on a text range.