Deleted merged branch for ticket #745
Implemented ticket #745 "Parser optimisations"
Finalizing ticket #745
Improved implementation of ticket #745 Created a specialized OpenMP bytecode executor.
Improved implementation #745 Reduced bottlenecks in table accesses and cleaned the logical value operators.
Created branch for ticket #745
Implemented ticket #746 "Table viewer optimisations"
Removed obsolete code in implementation of #738
Implemented ticket #738 "'read' should optionally consider quotation marks"
Implemented ticket #743 "Create a function to calculate the weekday from a date"