updated files for version 0.4.2

additional changes:
modified .gitignore to include all QtCreator user settings files
added ibcp.h as dependency of application so it shows up in QtCreator
optimized table.cpp to use the pre-defined StrStr_ExprInfo structure
corrected numerous spacing to tabs (due to QtCreator FakeVIM bugs)
added missing old expected results for translator test #14
updated regtestn.bat to run and compare all translator tests
made some other minor cleanups