Some fixes from the platform
Use JDatabase instead of MySQL queries
Correct query format
Correct query format
Remove unnecessary empty()
There is no $request here

Is this the right way to define $request to get the limitstart parameter?
There is no $return here
Fix var name
The registry variable is named $config here
Fix silly typo
Fix getTemplate() issue which caused an undefined variable to be called.
changes for loadmodule styles
changing to default module style #1
removing commented code lines #1
Conditional to show header
Changelog + Jversion in installation ini
 # [#31073] Preview image has height of max 18px. Thanks Piotr Konieczny
(Fix #1229)
 # [#29766] Missed ordering lists in User Manager. Thanks Aleksander
Linkov
(Fix #862)
 # [#30675] Display incorrect for type checkboxes. Thanks Chad Windnagle
(Fix #1228)
 # [#31099] Incorrect Access Levels in Tags List View. Thanks Justin
Herrin and Chad Windnagle
(Fix #1241)