Clear out the errors list before a save. Fixes #5.
Merge pull request #5 from localshred/master

ActiveRemote::Base#save produces false negative on additional calls
Bumped version to 1.3.2
#delete and #destroy now return false when errors are returned.
Bumped version to 1.3.3.
Fixed a bug where nil GUIDs would cause bad things to happen when requesting associations.
Bumped version to 1.3.4.
Record changes when we set attributes directly. Also added specs for dirty tracking.
Bumping to 1.4.0.
Removing DSL method left over from the pagination extraction.
Bumping version to 1.4.1
Replacing references to attributes with @attributes so we're not always duping.
Removing spec for auto_page_size since it was removed.
Adding a publication module to handle returning a hash of publishable attributes.
Updated the JSON serialization to use the new publication module methods.
Adding specs for the new publication module.
Bumping to the verson to 1.5.0.
Handle nil options gracefully when calling #as_json.
Bumping version to 1.5.1.
Need to use the #attributes when saving so we ensure type conversion.