Added error handling in Transliteration and Reverse Transliteration
Added wrapper for the Learning API
Added error handling
Added Varnam workers to do Transliteration, Reverse Transliteration and learning. Number of workers at language level is configurable
Removed json file and worker file. The repository only has the GoPort
now.
Merge pull request #2 from kumaranvram/error-handling

Error Handling and mapping