Fixed typo error
Removed empty line
Removed empty line
Fix #3189
[ci skip] Update a comment block description
Close #3205
Merge pull request #3202 from rougin/patch-1

Fixed typo error
[ci skip] Fix routing documentation (#3192)

It described a feature that doesn't exist.
Add CI_Security::get_random_bytes() for CSRF & XSS token generation
Fix #2963

Changed all file permissions settings throught the framework
and the documentation.

Also added configuration settings for CI_Log and CI_Image_lib
CI_Parser: Fix a regression from b27338ac9710cfcf69c4c99028f474aae8b28b49 (#3189)
Fix CI_Security::get_random_bytes() length validation
update