Changes:
- Migrated to Free Pascal (Lazarus IDE) from obsolete Delphi 7
- Autosizing for UI
- Hide "Incremental number" options when %NUM variable unused in the filename template
- Added "High DPI" support
- Fixed: screenshot cropped when DPI more than default 100% (issue #6)
- Fixed: auto refresh list of available monitors (issue #15)
- Other minor changes