Geomagpy

+ input filter for GFZ ascii format
+ new cdf input and output libraries based on cdflib
+ coverage json support
+ scroll bars in GUI panels
+ general webservice support (currently for usgs and zamg)

+ reading all generations of NASA CDF with correct interpretetion of archived Epoch variable
and leap seconds tables
+ database: error in applyDeltas method corrected (used for offset determination, delta F,
compensation fields)
+ database: sorting of input data corrected
+ flagging outlier: 'markall' option is now working correctly
+ format lib: improved GSM19 support - base nmeasurements

+ added method 'cut' to extract lines from a stream from the beginning or end
+ updated import library for ionometer
+ GUI: added better names + dates to Streamlist operations
+ GUI: streamlist is now scrollable


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+ readDB - fixed possible error with None in timecolumns
+ added improved MARTAS methods to acquisition support
+ updated some transfer methods mainly used by MARTAS

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+ fixed rounding of microseconds in writeDB
+ fixed database selection in GUI in windows


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+ fixed blocking overwrite dialog in DI input sheet for Windows and MacOS


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