Minor corrections in luaDoc report and errors generated. Functions that implements operators does not generate "block name conflict" error.
Merge commit '73eb6219b3e22fb96ca1634a7d6ee9441a8e7a99'

* commit '73eb6219b3e22fb96ca1634a7d6ee9441a8e7a99':
  Function file() moved from terrame.lua to Package.la.