Log Message:
Update sqlmap from 1.5.4 to 1.7.8

Summary of changes:
 - Add support for various new dbms, e.g. MonetDB, MemSQL, PrestoSQL, TiDB, \ 
Mckoi, CockroachDB, Vertica, Raima, YugabyteDB
 - Add support for various new attack methods , e.g. JSON aggregations on SQLite
 - Added new translations, e.g. Vietnamese
 - Many bugfixes