Add last local to ticker
Add wallet history request
Enable fast finishing builds
Update trust policy recommendation [ci skip]
Coerce BigDecimal to Float

Closes #55.
Test against ruby-head
Fix tests on Rubinius
Fix tests on JRuby and MRI 2.1.0.dev
Merge pull request #52 from zewelor/master

Add last local to ticker
Merge pull request #54 from smazhara/wallet-history

Add wallet history request