Adds addHeader() method to mail message
Merge pull request #8 from nsendetzky/master

Adds addHeader() method to mail message
Adds release target to phing file
Merge pull request #9 from nsendetzky/master

Adds release target to phing file
Adds prompt for version if not available
Merge pull request #10 from nsendetzky/master

Adds prompt for version if not available