0.6.1: Merge pull request #27 from dchristophersen/master

• Fixed the Google service urls

0.6.0: Merge pull request #24 from hver/add-cache-prefix-option

• Support for cache key prefixes

0.5.0: Merge pull request #22 from florianv/dates

• Support historical rates in the php array service
• Improved date errors in services

0.4.0: Merge pull request #16 from ruudk/improve-chain-exception

Improved ChainException messages

0.3.0: Merge pull request #11 from florianv/russian

New Russian Central Bank service

0.2.1

Fixed National Bank Of Romania provider

Version 0.2.0

• fixed a cache issue
• added a cache option to disable cache for a specific query

First release

0.1.0

Implemented exchanger

Initial release

0.0.0

Implemented exchanger