Ability to add custom input classes
Use $_product object instead of undefined $product_id for downloadable permissions. Fixes #4095
handlediv. closes #4098
Fix invisible when get_price is filtered and set to double 0.
Multiselect
Notice on no shop page
Code standards
Ex tax calcs Closes #4100
Hooks before and after deleting order items #4059
Filter for adding login erorrs #4059
Login form hooks Closes #4059
Merge pull request #4101 from franticpsyx/variation_is_visible

Fix invisible variations when get_price is filtered and set to (double) 0.
Merge pull request #4096 from scottbasgaard/master

Use $_product object instead of undefined $product_id for downloadable p...
Merge pull request #4094 from robdvr/master

Ability to add custom input classes
Only unset cookie if it exists #3513
WC() > $woocommerce
get_related wpdb query Closes #4086
Consistant naming with core
Added Icelandic krona currency & currency code
Added Icelandic krona & Currency symbol