Made all arguments optional. Preliminary tests worked out.
First plotter i managed to get working right
Fixed minor flaws in operating with data from a dataframe
Merge remote-tracking branch 'upstream/master'
Tervitustega Toomasele
Merge remote-tracking branch 'upstream/master'
Toomasele pilguheiduks
Merge remote-tracking branch 'upstream/master'
Two progs for you to look at