* Fix div and mod in SPython
* Fix generic type names search in SPython symbol table
* Small fixes
* Add few checks in Intellisense
* Add comments about units compilation order
* Implement bool to int and int to bool implicit conversion for SPython
* Change "and", "or" and "not" operations to be logical in SPython
* Add standard functions' overloads (all, any, sum)
* Replace languageCaseSensitive by languageName data in PCU and caseSensitive parameters in Compiler functions
* Implement SearchDirectories filling in Compiler and move SPython standard modules to their new directory
* Implement search using current language extension first in Compiler
* Delete LibForVB folder and update TestRunner to support different Lib dirs
* Update installer scripts to create separate Lib folder for SPython
* Take into account Lib dirs not found
* Delete supportedSourceFiles variable in Compiler
* Delete unused functions from LanguageIntegrator
