MagPy Version 1.0.1

1.0.1 general:
+ minor bug fixes

1.0.1 additions:
+ accepting basevalue data in XYZ in addition to HDZ
+ added webservice support for INTERMAGNET

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