Add char type to converter.h (Now for real (untested))

include/core/utils/converter.h

@@ -97,6 +97,8 @@ template<>
 struct converter<char>{
     static char convert(std::string val){
         //Here we should check that val.length() == 1 and get val[0] into a char variable
+        if(val.length() == 1) return val.at(0);
+        else throw std::runtime_error("Invalid converstion to char. String too long. String provided: " + val);
         throw std::runtime_error("Invalid char conversion. String provided: " + val);
     }
 };