isSimpleValue check for queryString struct serialization
Merge pull request #162 from marbetschar/issue160

isSimpleValue check for queryString struct serialization
Strip leading / only.

Avoids bug on ACF10 that was turning the URL "/main/home"
into the action "ain.home"
Merge pull request #168 from coke/master

Avoid stripping non-slash characters from beginning of path