grep

not `cat`
Update hunter

`grep` not `cat`
Merge pull request #122 from bcoles/patch-1

grep not cat. Thanks Brendan
Merge pull request #123 from bcoles/patch-2

Update hunter
Merge pull request #125 from andrericardo/master

When the charset is not set replace non UTF-8 characters
Fixed bug on OS X 10.9 (Ruby 2.0)