Convert to ARC
Update gitignore
iOS SDK beta 5 compatibility
Add iOS static library target
Fix static library target
Handle values that are an instance of NSNull
Add Workspace
Update gitignore
Add default workspace
Better handling of true/false values
Tidy up
Include YAML in workspace
Add note about failing Mustache specs to README
Add Ad-Hoc build configuration
Use CoreFoundation functions to create strings

This stops warnings about passing a const char * to a non-const
parameter.
Fix bug in last commit
Add AppStore build configuration
Address compiler warning