Kilroy was here

1. 

   Plugin settings page

1.5.3

• Update tested WordPress version

1.5.2

• Replace PHP header function with http_response_code.

1.5.1

• Ignore PHP sniff WordPress.Security.EscapeOutput.OutputNotEscaped
• Remove deprecated @subpackage tag
• Update tested WordPress version

1.5

• Update code according to WordPress coding standards
• Move class into seperate file

1.4

• Use short array syntax

1.3.3

• Use WordPress checked function
• Correct PHP Doc tags

1.3.2

• Improved code readability
• Do not delete settings in large networks upon uninstall

1.3

• Renamed class and text domain

1.2.2

• Replaced text domain constant

1.2.1

• Improved translation support

1.2

• Added a priority setting
• Added a HTML comment option
• Added a HTML option
• Improved multisite support

1.1

• Corrected minimal required WordPress version
• Removed deprecated screen_icon function
• Use plugins_loaded action
• Added text domain for translations
• Follow WordPress coding standards
• Added unit tests