"argments" to "arguments"; "agument" to "argument"
"dermine" to "determine"
"wilcard" to "wildcard"
"offical" to "official"
"repetion" to "repetition"
"arent" to "aren't"
"intead" to "instead"
"agsinst" to "against"
Merge pull request #1069 from tisdall/master

another dose of spelling corrections...