catch and raise invalid string error better
catch and raise invalid string error better

chef/ffi-yajl,chef/ffi-yajl,h4ck3rm1k3/ffi-yajl,chef/ffi-yajl,kou/ffi-yajl,kou/ffi-yajl,kou/ffi-yajl,h4ck3rm1k3/ffi-yajl,h4ck3rm1k3/ffi-yajl