Release v1.2

• Adds two entry fields to the GUI in order to test specific ranges of meter id's
• Fixes a bug in the is_reachable method of the SDM630 class requesting a wrong register, now checks for 0x48 which outputs the import since last reset in Wh

Release v1.1

• Fixes a bug when stopping the checking thread
• Improves readability
• Provides binaries for windows computers