added $WCDATE=%a, %d %B %Y$ and $WCDATEUTC=%a, %d %B %Y$ support
fix wcurl issue when not inSvn
added modify \ in workingCopyDir to / since a issue of pysvn (http://tigris-scm.10930.n7.nabble.com/Bug-with-status-on-a-file-if-path-uses-as-separator-td78156.html)
1.added WCNEEDSLOCK support
2.do some test on signal file and fix revision error issue in this case
added WCISLOCKED, WCLOCKDATEUTC, WCLOCKDATE, WCLOCKOWNER and WCLOCKCOMMENT support
move similar code to function boolean_process and strftime_process