Sync with ezSQL lib
Remove unnecessary var_dump

Fix #1407
More secure password hashes with PHPASS
Import phpass 0.3
Rewrite config.php with password hashes
Enable secure hashing by default, unless explicitly disabled.
Sessions are independent of passwords
Bump PHP reqs
Gently notify the user when config.php is unwritable
Minor typographical fixes
Always include functions-infos.php

(Contains functions usable everywhere)
Sync with ezSQL lib
Remove unnecessary var_dump

Fix #1407
Bump PHP reqs
More efficient way to check if short URL is free
Merge branch 'raldenhoven-master'
Cleanup - unneeded vars
Merge branch 'master' of https://github.com/YOURLS/YOURLS
Tidy up - unneeded vars & comments
Merge branch 'master' of https://github.com/ozh/YOURLS