Implementing the line chart generator
Initializing LehmanLawsRecord with null comment
Removing unused import
Adding titles to bar charts, cleaning up, alligning.
Implemented bar chart generation method
Adjusting the gui size
Renaming getTaskRate to getWorkRate
Fixed order of dates on difference calculation
Implemented getVersionsByYear
Making the x axis font a bit smaller for the bar charts
Implemented Lehman's Inverse Square Law