Merge pull request #9 from Japh/master

Updated to resolve set_time_limit error.
Update index.php

Issue:
Checkbox for Skip Theme Backup field is rendering at 100% width on Safari instead of normal 1em checkbox width.

Solution:
Removed class="regular-text" from checkbox field output on line 626.
Merge pull request #10 from spacevtime/patch-1

Update index.php
Merge remote-tracking branch 'upstream/master'