Add new MySQL 8.0 UUID functions

Signed-off-by: Michal Čihař <michal@cihar.com>

Author: nijel

tools/contexts/_functionsMySql80000.txt

@@ -18,6 +18,7 @@ AVG (F)
 BENCHMARK (F)
 BIN (F)
 BINARY (F)
+BIN_TO_UUID (F)
 BIT_AND (F)
 BIT_COUNT (F)
 BIT_LENGTH (F)
@@ -130,6 +131,7 @@ IS_IPV4_COMPAT (F)
 IS_IPV4_MAPPED (F)
 IS_IPV6 (F)
 IS_USED_LOCK (F)
+IS_UUID (F)
 IsClosed (F)
 IsEmpty (F)
 ISNULL (F)
@@ -372,6 +374,7 @@ UTC_TIME (F)
 UTC_TIMESTAMP (F)
 UUID (F)
 UUID_SHORT (F)
+UUID_TO_BIN (F)
 VALIDATE_PASSWORD_STRENGTH (F)
 VALUES (F)
 VAR_POP (F)