Merge pull request #6 from rajmahendra/master

Changed to 0.9, Added help text and CurrencyUnit
Added Amount and Amount factory impl
Merge pull request #7 from gpshenoy/master

Added Amount and Amount factory impl
added monetary amount example
Merge pull request #9 from gpshenoy/master

added monetary amount example
TestAmount impl
Merge pull request #10 from gpshenoy/master

TestAmount impl