Update connections.py

Added New Field type char , set ,enums,Binary

Author: Ishanv5

src/MySQLdb/connections.py

@@ -222,6 +222,10 @@ class object, used to create cursors (keyword only)
                 FIELD_TYPE.MEDIUM_BLOB,
                 FIELD_TYPE.LONG_BLOB,
                 FIELD_TYPE.BLOB,
+                FIELD_TYPE.SET,
+                FIELD_TYPE.ENUMS,
+                FIELD_TYPE.BINARY,
+                FIELD_TYPE.CHAR
             ):
                 self.converter[t] = _bytes_or_str
             # Unlike other string/blob types, JSON is always text.