Allow custom content to be added to custom search properties - props chaoix for the help
Code standards cleanup
Fixing show/limit setting

Fix #2835 breaks the show/limit setting for categories.
Fixed layout issues and make rules easier to override
Added static to deep_trim() function
Fixing undefined variable notice
Adding shopp_cart_before_add_item hook for pre-processing of new cart items before they are inserted into the cart.
More flexible catalog reset styles for product category grids
Closed #2880 Check for terms before running recount query
Clsoed #2920 Translation string code cleanup
Set $term_recount initial value to false

$term_recount isn't always set which results in a PHP warning on line 163.
Fix #2928
Fixed #2886 Removed scalar typehints
Fixed #2921 Added HTML content type header
Adding Payment Types report.
Fixed #2933. Clear current session before emptying shopping table to prevent current session from being re-written, causing conflicts.