Merge branch 'release/2.6.2' into develop

* release/2.6.2:
  v2.6.2
Add an option to exclude timestamp in routes, #136
Add guard-rspec
Fix the conversion from file path to class name which should fix #125 and #141
Make --timestamp optional by default
Limit require statement to only classes that have not already been defined
Merge branch 'develop'