Regenerate gemspec for version 0.4.0
Regenerate gemspec for version 0.4.0

MarcoCode/maestrano-connector-rails,maestrano/maestrano-connector-rails,BrunoChauvet/maestrano-connector-rails,MarcoCode/maestrano-connector-rails,maestrano/maestrano-connector-rails,Berardpi/maestrano-connector-rails,Berardpi/maestrano-connector-rails,maestrano/maestrano-connector-rails,MarcoCode/maestrano-connector-rails,BrunoChauvet/maestrano-connector-rails,Berardpi/maestrano-connector-rails,BrunoChauvet/maestrano-connector-rails