Minor whitespace changes, minor UX change to coupons to focus on newly generated conditional element.
compare cart item meta in set_item function when determining if the quanitity should be increased
function to comapre cart item meta added
Don't translate deprecated function replacement, as it's code, not words.
Rewrite and privatize _wpsc_get_exchange_rate().  Also makes CURRENCYCONVERTER a simple wrapper for it.  If specific locales find that Google's rates are insufficient for them, the filters in WP_Http will allow for overriding.  Needs lots of testing.
Update readme reflecting Currency Conversion API change.
Fix a few notices in the theme engine.
In current beta, shipping state does not change when changing dropdown.  This is a significant regression.
Remove redundant php://input streaming.
Version bump for 3.8.13
Fix fatal errors in Customer Meta API in multisite.
Fixes AJAX problems with output on shipping method/option updates.  Needs review from @garyc40, as I feel he reverted this at one point.
Use parent link for variations.  Props @JeffPyeBrook for initial patch.
Additional changes necessary to actually change the URL in the shopping cart.
First pass at reintroducing tax changes when switching shipping methods.
Gotta be kidding me.
Don't use deprecated Customer Meta API in core.
Properly decode USPS response.
Minor whitespace changes.
First pass at resolving issue #721