Resolved some issues in the table editing process for ticket #601 - Storing strings and complex numbers is now possible - Modified tables are correctly integrated into the MemoryManager - Strings won't be saved with surrounding quotation marks
Reworked the table class to accept string columns for ticket #601
Resolved two minor issues in implementation of #601
Code for ticket #601 now compiles again.
Backup commit for ticket #601 -> file.cpp can be compiled now -> Reduced the number of orphane ToDos in code
Backup commit for ticket #601
Improved implementation of #601 Added the table column headlines to the copy and assign methods.
Resolved even more compiler errors for ticket #601
Reduced the number of warnings and resolved some ToDos for ticket #601