Fix typo
Fallback to default currency if ['currency'] omitted
fix tests
separate Moneris gateway  to Moneris and MonerisUs
add default timeouts to cUrl class
add Exact Gateway
fix static method
Add Exact Gateway
add some mock tests
add exact fixtures
add info for Exact gateway
add Mercury gateway
add gateways to readme. change develop version
fix credit test
allow to get gateways and actions as array
Add builtin address and credit_card functions. Ported from test_helper.rb
Checkin working? payment express
Add payment express remote test
Merge branch 'payment-express' into currinda

Conflicts:
	unit_tests/AktiveMerchant/Billing/Gateways/PsigateTest.php