Add JsonEscaper to handle more string escaping cases
Merfe JsonEscaper class into JsonTypeSerializer.Unescape
Merge pull request #318 from Mistobaan/features/add-new-jsonescaper

Add JsonEscaper to handle more string escaping cases
add tests for edge cases
Merge pull request #319 from Mistobaan/features/add-more-tests

add more tests for edge cases
Add FromAsciiBytes/ToAsciiBytes Ext methods
Don't cache keyFn fn for Hash, cache valueFn when types match
Split out Raw CustomSerializer tests in a different file
Allow clearing of Fn Caches to get tests passing
Silverlight build fix.
Merge pull request #320 from ddotlic/master

Silverlight build fix.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/ServiceStack.Text/StringExtensions.cs