Added an option to format the animated number as currency
Added an option to format the animated number as currency, added handling for browser differences in 0s in decimal places
Refactoring as suggested by kajic
Continued refactoring as suggested by kajic - still working out bugs related to different locales' handling of groups and decimal separators.
Finished fixes to improve handling in non-English locales.
Merge pull request #4 from daverodriguez/master

Added an option to format the animated number as currency