Incorrect "--refs" option auto-complete values

[aik099]

When log command is invoked for different path then current the auto-complete for --refs option is returned from current path instead.

Example:

• have working copy at /path/to/wc1
• have working copy at /path/to/wc2
• go to /path/to/wc2
• type svn-buddy.phar log ../wc1 --refs
• press TAB

The refs from /path/to/wc2 would be auto-completed instead of ones from /path/to/wc1.

This happens because during auto-complete nobody is parsing command arguments because they can be invalid and ../wc1 is totally ignored.