--columns now accepts also -C option: user can provide a string column and sqlmap will enumerate all columns of a specific table like '%provided_string%'.
Minor enhancements.
Minor bug fixes.
Changes:
* Major enhancement to the Microsoft SQL Server stored procedure
heap-based buffer overflow exploit (--os-bof) to automatically bypass
DEP memory protection.
* Added support for MySQL and PostgreSQL to execute Metasploit shellcode
via UDF 'sys_bineval' (in-memory, anti-forensics technique) as an
option instead of uploading the standalone payload stager executable.
* Added options for MySQL, PostgreSQL and Microsoft SQL Server to
read/add/delete Windows registry keys.
* Added options for MySQL and PostgreSQL to inject custom user-defined
functions.
* Added support for --first and --last so the user now has even more
granularity in what to enumerate in the query output.
* Minor enhancement to save the session by default in
'output/hostname/session' file if -s option is not specified.
* Minor improvement to automatically remove sqlmap created temporary
files from the DBMS underlying file system.
* Minor bugs fixed.
* Major code refactoring.
Added support internally to forge CASE statements, used only by
--is-dba query at the moment.
Allow DDL, DML (INSERT, UPDATE, etc.) from user in SQL query and
SQL shell.
Minor code adjustments.
Added method to test for Time based blind SQL injection query stacking
on the affected parameter a SLEEP() or similar DBMS specific function.
Adapted libraries, plugins and XML with the above changes.
Minor layout adjustments.
