- fixed issue in the Excellon Editor where the Space key did not toggle the direction of the array of drills
- combed the application strings all over the app and trimmed them up until those starting with letter 'O'
- updated the translation strings
- Copper Thieving Tool added a new parameter to select what extra geometry to include in the Pattern Plating Mask; added it to the Preferences
- made a wide change on the spinners GUI ranges: from 9999.9999 all values to 10000.0000
- fixed some late issues in Corner Markers Tool new feature (messages)
- upgraded Calculator Tool and added the new parameter is the Preferences
- updated translation strings
- updated Drilling Tool to use the new settings
- updated the Excellon Editor: the default_data dict is populated now on Editor entry
- Excellon Editor: added a new functionality: conversion of slots to drills
- Excellon UI: added a new feature that is grouped in Advanced Settings: a toggle tools table visibility checkbox