Geomagpy

+ correct usage of datetime in fitting options of GUI
+ GUI time issues mainly affecting windows
+ alphabetic sorting of files when loading from directory
+ no popup when canceling file opening
+ AutoDIF files accepted even with only two azimuth measurements
+ correct conversion of strings to integers (baseline adoption)

+ supporting new propritary data format used for tilt measurements

+ IAF publication date issue solved (some IAF files could not be read)
+ Deprecation warnings for dtype=object in array definitions
+ several fixes regarding newest versions of matplotlib and wxpython

+ march31 time stamp error for IAGA2002 files
+ basevalue data in XYZ in addition to HDZ
+ when reading zipped files with time ranges: no unpacking of all existing files any more
+ BLV file reading - ignoring non-interpretable 'd' markers

+ exporting IAF in combination with k values (py3 issue)
+ exporting yearmean files (IYFV) (py3 issue)
+ updated webservice addresses for USGS and Conrad Observatory

+ 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)