Merge pull request #75 from matrixik/master

Small addition to supervisord en docs
Update: README
Merge pull request #76 from matrixik/patch-1

Update: README
fix bug substr
fix #81
log support file & logrotate
fix small bug for not return
fix error info tempalte's title
add logrotate's setting for rotate
if exist file then read lines err
update docs for logs & DirectoryIndex
add tag to 0.7.0
delete strcut map

I think if user should set field in controller, there's no need to have
thie feature
fix #80

add a function to delete default StaticPath
Change: SetRotateMaxDay => SetRotateMaxDays