A simple anagram solver in Go

Roberto Teixeira <robteix@robteix.com>

Usage: anagramizer [flags] [word], flags can be:
  -c=0             : Maximum number of results (or 0 for no limit)
  -f="wordlist.txt": Wordlist file to use
  -max=0           : Maximum word size (0 for no limit)
  -min=1           : Minimum word size
  -q=false         : Don't show any message except for the solutions
  -r=false         : If true, -s will sort from larger to smaller size
  -s=false         : Sort results by word size
  -sub=false       : If true, allow sub-anagrams (not all letters required)