1.0 - Code improvements. Now the meridian convergence can be calculated
automatically based on the centroid. Projection information is automatically in
the save files dialog.
1.0.1 - Minor fix.
1.0.2 - Improving precision in dd2dms calculations
1.1 - User can choose decimal places to show coordinates dynamically
1.1.1 - Fixing typo
1.1.2 - Fixing a issue when representing really small convergence values with
the automated convergence calculation
2.0 - Conversion to QGIS 3
2.0.1 - Removing unwanted _MACOSX folder
2.0.2 - Fixing the signal of the meridian convergence when longitude <
centralMeridian