Major enhancement to make the comparison algorithm work properly also

on url not stables automatically by using the difflib SequenceMatcher
object: this changed a lot into the structure of the code, has to be
extensively beta-tested!
Please, do report bugs on sqlmap-users mailing list if you scout them.
Cheers,
Bernardo

plugins/dbms/mysql.py

@@ -133,7 +133,7 @@ class MySQLMap(Fingerprint, Enumeration, Filesystem, Takeover):
         payload = agent.payload(newValue=query)
         result  = Request.queryPage(payload)
 
-        if result != kb.defaultResult:
+        if result != True:
             warnMsg = "unable to perform MySQL comment injection"
             logger.warn(warnMsg)
 
@@ -161,7 +161,7 @@ class MySQLMap(Fingerprint, Enumeration, Filesystem, Takeover):
                 payload = agent.payload(newValue=query)
                 result  = Request.queryPage(payload)
 
-                if result == kb.defaultResult:
+                if result == True:
                     if not prevVer:
                         prevVer = version