* Full update to latest SS 0.98 APIs
- SS: switched to LowLevelEvaluationFast interface;
- SS: fixed compiler warnings for deprecated methods/properties;
- refactoring;
* refactoring
- removed not useful try/catch from unit manager;
- refactoring of not used methods;
* Fix for SMath bug SS-2414
* minor changes
* Added folder for Test files
* Added test file
IF97 test file from CoolProp/CoolProp issue #1249
* changed filename
* added script for batch testing
* Review of dynamic assistant tootltip
* New layout for README.md
* Updated README.md
* Updated README.md
* Fixed combined emphasis in README.md
