Included line number in error output
Included remark begin and end markers to overdefine robodoc's default.
Simple test for user defined keywords and syntax coloring.
Added keyword_test
make test creates robohdrs too
Changed the stub message to include programm name
Included some more warnings for the user if robohdrs compiled as a stub
Changed regexp to strip windows CRs
Some more CRLF stuff...
Added tests for external tools
