Finished commenting changes and added the file header reader to the file browser for the implementation of ticket #354
Finished commenting file.cpp for the implementation of ticket #354
Split up the cache handling function and added some comments to the implementation of ticket #354
Removed obsolete branch "implementing"
Tested cache functionalities in implementation of ticket #354
Tested saving functionalities for NDATs in implementation of ticket #354
Included LaTeX files to implementation of ticket #354
Tested writing functionalities for NDATs in implementation of ticket #354
Tested reading functionalities for files in implementation of ticket #354
Implemented ticket #469 "Enable arrays of curves in plots created from a table"