Ability to remove currency symbol from formatted currencies

Enhancements (valueOnError and postFormatFunction), plus doc updates

Version 2.0.0 - Better number pattern encoding and parsing of formatt…

…ed values

Merge pull request #8 from richardvenneman/replace-entities

Replace HTML entities with Unicode characters

Updated minified version and corrected typos in README.md

Version 1.0.2 - ironed out a few small bugs with negatives and zeros

Updated name in bower.json

Updated name in bower.json

Added a default minus sign in front of negative values.