give users the option to choose auth method
reset digest mock before every call
Merged in misc_fixes (pull request #54)

give users the option to choose auth method
create method should support expansions
Getting the tenant should support entity expansion.
The attribute 'full_name' is read only, so it shouldn't be in the 'writable_attrs' array
added accountStoreMappings to cache regions
The Error should be constructed with the 'message' instead of 'developerMessage'
changed stormpath version and added short version to docs
a couple of tests for account store
Merge branch 'development' into misc_fixes
import the stormpat version from the local folder so docs can be generated before installation
Merged in misc_fixes (pull request #55)

various code fixes