Cucumber 0.4.x update and PRs

• Merged various pull requests for the following:
• - Add ability to use logical AND for tags
• - added cli overrides for steps, tags and format
• - Support coffeescript option
• - Cucumber 0.4.0 has been released, updated deps to 0.4.3
• - Add feature for defining multiple steps as array
• - Fixed support directory option

Status code, modulePath fixes

• Small change to rename the 'executable' option to 'modulePath'
• Status code fix
• README fix for 'src' instead of 'files'