renamed findfiles to iterfiles
use more builtins
Merge branch 'master' of github.com:miku/gluish

* 'master' of github.com:miku/gluish:
  no need for an extra variable
  cleanup elastic tests
  updated README
  updated README
  replaced elastic module with slimmer esindex
  fix import
  v0.1.8
  just fail if something is terribly wrong
  backwards-incompatible: move shellout() to utils
  Update README.md
  Update shell.py
  v0.1.7
  added sqlitebck to requirements
  added example in docstring
  sort requirements
  adjust times, which do not really matter
  added copy_on_exit for memory-hungry but speedy inserts (70k/s)
  warn if mysqldb library is missing