Fix login-problem when behind lighttpd
Fix login-problem when behind lighttpd

We just set the content-length to 1 and send one byte in the post-data which YouTrack (at least in Version 4.1.2) does not care about.
wdamien/youtrack,jan0sch/YouTrack-Client-PHP-Library,testfairy/youtrack,1ed/youtrack,amirduran/youtrack,REDLINK/youtrack,nepda/youtrack,Limelyte/youtrack