default help text aligned with menu when using menusetting(issue 195).
fixed a bug in dir()
Add new command 'raw'(run COMMAND with not auto-decompression.)(issue 200).

NEVER AUTO-DECOMPRESS for command `partnew`/`write`/`crc32`.
fixed a bug in dir();(reported by Steve6375,issue 154).
 default help text aligned with menu when using menusetting(issue 195).

Merge branch 'issue-195'
Merge branch 'master' into 0.4.6a