3.0.3 : bugfix disconnection of printValue (by zgyivi)
3.0.2 : bugfix for CRS problem (workaround)
3.0.1 : fix bugs for QGIS 3.x
3.0.0 : first port to QGIS 3.0
0.4.1 : Code cleanup
0.4.0 : Updated on/off with Icon, improved data handling
0.3.1 : Fix bug in time_tracker
0.3.0 : better error handling, fixing export of CSV, adding X and Y as columns
0.2.0 : restructuring of error checking, QWT errors fixed
0.1.1 : cleanup, change description, correct homepage
0.1.0 : initial release based on Valuetool 0.8.5
