Version 4.1 of xMarkup Text Transformation Utility is released.

1. Updated core of utility to Unicon Version 13.0 x86_32.
2. Fixed an error in xm2exe utility for muli-step scripts.
3. Added new option compatibility, which defines the minimum compatibility version of the script.
4. Updated GUI: fixed progress indicator; added block of Environment variables; added popup menus.
5. Updated docs.