Correct spelling and grammar errors

Corrected several typos, spelling errors, and grammatical errors.
Merge pull request #3 from mperry2/spelling

Correct spelling and grammar errors
Correct docs to match option spec for autoclose
Note autoclose option fix
Fix use_all_a_records option

Thanks to Simon Fraser for reporting it with a patch
Note Github issue number
Fix 'title' option

Thanks to Barry Roberts
Fix 'Add host or cluster' to contain cluster names
Release 4.02_04
Misssed some updates from 4.02_04 release