Fixed an issue in implementation of #363
Fixed an issue in implementation of #377
Implemented ticket #358 "Create a fileparts function"
Fixed issue #373 "The 'substr()' function is defined wrong"
Fixed issue in implementation of #346
Fixed issue in implementation of #392 Rev. r140
Fixed issue in implementation of #365
Fixed issue in implementation of #369
Implemented ticket #393 "Implement a 'sleep()' function"
Fixed issue #392 "Drag & Drop into the first editor tab is not possible" Addtionally, cleaned the main event table