* updated documentation and FAQ

git-svn-id: https://svn.code.sf.net/p/exult/code/exult/trunk@7476 67c084eb-e78b-48f3-b8e7-bfa43f95ef20
* usecode/compiler/ucexpr.cc: Fixed regression in usecode compiler from bug
  #1879 "Keyring: healing and resurrecting broken".


git-svn-id: https://svn.code.sf.net/p/exult/code/exult/trunk@7478 67c084eb-e78b-48f3-b8e7-bfa43f95ef20