New translations, scientific output, fixes

Beta 12 brings four new languages, scientific output, and many bug fixes. And now you can use is for a variable assignment like price is $10.

  • Added Swedish translation by Wilhelm Wanecek
  • Added Serbian translation by Aleksandar Macanovic
  • Added Norwegian translation by Gaute Huus
  • Added Hebrew translation by Nathaniel Maman
  • Add scientific output
  • Added is operator
  • Added ping unit
  • Added R constant
  • Fixed workspace switch bug in menubar mode
  • Fixed currency formatting to include two decimal digits
  • Fixed hex detection with 'e' symbol
  • Fixed points unit detection
  • Fixed invalid root for big numbers
  • Fixed variables detection
  • Fixed percentage operations
  • Fixed multiplication sign detection
  • Fixed ln function
  • Fixed minus before parentheses detection
  • Fixed += assignment operation
  • Fixed minus sign detection