fixed a wrong array-index in installation language file
don't cast mysql-max to integer as for admins-usernames, it may be '' instead of 0

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
Merge remote-tracking branch 'origin/0.9.31'
remove some special characters from directory-names when validating, fixes #1231 and pull-request 73 partly

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
outsource monster-query to new WebserverBase class and adjust query which most likely fixes #1295

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
adjust gitignore file to not stage error-logs

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
Merge remote-tracking branch 'origin/0.9.31'