public static <E> void registerTypeConverter(Class<E> cls, TypeConverter<E> converter) {
        TYPE_CONVERTERS.put(cls, converter);
    }
Register a new TypeConverter for parsing and serialization.

@param cls The class for which the TypeConverter should be used.
@param converter The TypeConverter
core/src/main/java/com/bluelinelabs/logansquare/LoganSquare.java