Currency : add #to_str and #to_sym for implicit comnversions
Currency : add upcase/downcase cases for equality test
Add support for 1.8.7
Updated CHANGELOG and AUTHORS [ci skip]
Fix my own typo in changelog
Merge pull request #341 from jlecour/currency-to-sym

Add implicit conversions of Money::Currency
silence deprecation warnings when core_extensions are required directly (fixes #337)
Adding ability to temporarily change the rounding mode
Fixing indention
silence some deprecations is money/core_extensions are required already
Making switching rounding mode thread safe and changing it so the block returns the result when being passed a rounding mode
merging
Updating docs
Indicating optional param
Merge pull request #343 from hadees/temporarily_change_rounding_mode

Adding ability to temporarily change the rounding mode
Update README.md
Memoize Money.empty

There's no need to make more than one instance of Money.new(0) for any
particular currency.
replace parsing and core extensions code with 'monetize' gem
6.0.1.beta1
use monetize 0.1.3 which works on 1.8.7 and 1.9.3