Updated the sources to allow for custom curreny by the use of two new command-line flags.

New command-line flags:
--currency (-c): Allows the user to set an arbitrary currency symbol.
--suffixed     : Tells reckon to use the currency as a suffix, e.g. 10 SEK, as opposed to a prefix like $10.
Updated with suggestions from https://github.com/cantino/reckon/pull/11
Merge pull request #11 from zebh/currencies

Updated the sources to allow for custom curreny
bump version
fix issue showing true when parsing the currency option related to #7
Merge pull request #12 from mauromorales/multicurrency

fix issue showing true when parsing the currency option related to #7
add support for spanish dates dd/mm/yyyy closes #13
add test for english dates
add funcionality to define the date format
remove unintended puts and add correct description for date format option
Merge pull request #14 from mauromorales/spanishdates

add support for spanish dates dd/mm/yyyy closes #13
version bump
Merge branch 'master' of github.com:cantino/reckon