Merge pull request #14 from etix/master

Fix some issues with uncommon server behaviors
Update README.md
Merge pull request #16 from igungor/patch-1

Update README.md
Allow multi-line 226 responses to STOR commands - fixes #17
Merge pull request #18 from SoCloz/master

Allow multi-line 226 responses to STOR commands - fixes #17
Merge remote-tracking branch 'upstream/master'