Further integrated MathGL 2.4.4. See also Ticket #204
Used new TDM-GCC 9.2.0 for compilation and integrated MathGL 2.4.4. Fixed many warnings and undefined behaviors thanks to new compiler. Performance has been increased by about a factor 2. #204
Further optimized latest test
Test for another string optimization
Implemented initial string performance speed-ups
Fixed some issues in odesolver.cpp
Fixed a remaining issue in ticket #520
Implemented ticket #521 "Enhance the 'cmp()' function"