Log Message:
Update to texworks 0.4.5

Release 0.4.5 (TL'13) [April 2013]
  * Fix "Restore defaults" in preferences dialog
  * Fix removal and selection of text moved via drag'n'drop
  * Fix default saving location
  * Keep UTF-8 BOMs in files that have them

  * Make "Goto Source" lead to the last active source window
  * Implement close button for the console output panel
  * Implement "Open PDF with TeX" option
  * Improve compatibility with OS color schemes
  * New encoding support for "Mac Central European Roman"
  * Code cleanup

  * Updated log parser (improve handling of long messages and file paths)
  * New script properties/functions: cursorPosition, getEngineList()