1 - Reports the error to the user in a popup.
2 - Names of the backups include the timstamp instead of a number. Names have more sense and the files can be sorted by names what is also the age order.
3 - Behaviors when changing configuration improved, the number of files present on the system was not reduced when reducing the number of backups or backups deactivated.
- we must read out the unit system description UTF8 to get the characters ² and ³
- update unit system description according to today's unit "cft" addition
- don't hardcode the unit system descriptions in the .ui file
- add acceleration to imperial schema
add convenience method getAllDerived()
support TypePy asrgument in getAllDerivedFrom() and isDerivedFrom()
return TypePy instead of str in getAllDerivedFrom()
Found via `codespell -q 3 -L aci,ake,aline,alle,alledges,alocation,als,ang,anid,ba,beginn,behaviour,bloaded,byteorder,calculater,cancelled,cancelling,cas,cascade,centimetre,childs,colour,colours,commen,currenty,dof,doubleclick,dum,eiter,elemente,feld,freez,hist,iff,indicies,initialisation,initialise,initialised,initialises,initialisiert,ist,kilometre,lod,mantatory,methode,metres,millimetre,modell,nd,noe,normale,normaly,nto,numer,oder,orgin,orginx,orginy,ot,pard,pres,programm,que,recurrance,rougly,seperator,serie,sinc,strack,substraction,te,thist,thru,tread,uint,unter,vertexes,wallthickness,whitespaces -S ./.git,*.po,*.ts,./ChangeLog.txt,./src/3rdParty,./src/Mod/Assembly/App/opendcm,./src/CXX,./src/zipios++,./src/Base/swig*,./src/Mod/Robot/App/kdl_cp,./src/Mod/Import/App/SCL,./src/WindowsInstaller,./src/Doc/FreeCAD.uml`
