sqlmap 0.8-rc2: minor enhancement based on msfencode 3.3.3-dev -t exe-small so that also PostgreSQL supports again the out-of-band via Metasploit payload stager optionally to shellcode execution in-memory via sys_bineval() UDF. Speed up OOB connect back. Cleanup target file system after --os-pwn too. Minor bug fix to correctly forge file system paths with os.path.join() all around. Minor code refactoring and user's manual update.