adding --invalid-bignum (Havij like bignum style for invalidating/negating values); renaming --logical-negate to --invalid-logical

sqlmap.conf

@@ -191,20 +191,24 @@ dbms =
 # Valid: linux, windows
 os = 
 
+# Use big numbers for invalidating values.
+# Valid: True or False
+invalidBignum = False
+
+# Use logical operations for invalidating values.
+# Valid: True or False
+invalidLogical = False
+
+# Turn off payload casting mechanism
+# Valid: True or False
+noCast = False
+
 # Injection payload prefix string.
 prefix = 
 
 # Injection payload suffix string.
 suffix = 
 
-# Use logic operation(s) for negating values.
-# Valid: True or False
-logicalNegate = False
-
-# Turn off payload casting mechanism
-# Valid: True or False
-noCast = False
-
 # Skip testing for given parameter(s).
 skip =