Merge pull request #38 from burcu/master

README code snippets reformatting
Default token type should be Bearer.
Merge pull request #43 from burcu/defaulttokentype

Set token type to Bearer if none set
Fixing error handling for responses with non-RPC errors, #39.
Merge pull request #39 from burcu/fix-errorhandling

Error is truncated to first character
Releasing 0.2.9-alpha.
Small README.md grammar fixes.
Merge pull request #44 from scheib/master

Small README.md grammar fixes.