Fix ahoy-message-id
Merge pull request #11 from hubbiz/master

Send ahoy_message.id as a string
Process only <a> tags with href attribute in AhoyEmail::Processor

Fixes NoMethodErrors on <a> tags without href attributes
Merge pull request #14 from mbreit/bugfix/a-without-href

Process only <a> tags with href attribute in AhoyEmail::Processor
Fixed secret token for Rails 4.1 - closes #15
Version bump to 0.2.2
merge