Fix "reference is ambiguous" error
Updated for Swift 1.1
Merge pull request #2 from stakes/master

Quick fix to "ambiguous use" error
JSON.fromFoo(f) => JSON(foo:f) // old factory methods still exist
Update README.md
remove extra trailing ! for Swift 1.0
Merge pull request #8 from gfx/fix-1.0

remove extra trailing ! for Swift 1.0
Should be now compatible with both Swift 1.0 and 1.1
Now compatible with both Swift 1.0 and 1.1