Add functional tests and Travis config
Add Travis and Scrutinizer badges
Merge pull request #24 from kaiserlos/master

Also fetch inline attachments
Fix phpdoc
Add some test messages
Add test message functionality to base test case
Add authentication test
Add PHPUnit dev requirement
Add ext-mbstring requirement
Move
Fix #20
Add gitignore
Add some PHPDocs
Fix #3
Re-use connection in tests
Add installation section to readme
Fix method order
Reduce number of authentications
Fix static method call
Fix static method call