Release v0.3.3

Features

• Support for Yaml C Parser when available.
• Catch rule processing errors and raise a lint error in their place.
• Add rules for the limit on Parameter, Mapping, Resource and Output names
• Add Rule W3005 to warn for when DependsOn is specified but not needed
• Add Rule E2509 to check if Security Group Descriptions are properly configured
• Add source_url to rules so rule reference documentation can be provided

Fixes

• Fixed issues when Conditions had lists for values
• Fixed issue where underscore was allowed for AlphaNumeric names