Release 4.0

This is a major release with important improvements, new features and fixes. This is the complete list of changes:
- improved actions
- improved interface
- improved log report
- improved performance
- improved profile examples
- improved software icon
- added Create Playlist, Create Shortcut, Copy to Clipboard actions
- added option to select ambiguities checkbox by default
- added %ParentDirName% environment variable
- added support to /Close, /Refresh, /Restart commands
- added support to compress several files in a unique archive
- added support to consider rules as Regular Expressions (RegExp)
- added support to import profiles from CSV, XLS and XLSX files
- added support to "Overwrite if different size"
- added support to separate rules also with "|" character
- removed special actions (integrated as normal actions)
- removed support to automatically convert to relative paths
- fixed Safely Erase mode of Delete action
- fixed minor bugs