Typo fixed
password protection to childs issue fix
Custom thumbnail size parameter

Check if custom image size "sell_media_item" exists and uses that otherwise defaults to "medium".  Keeps layout consistent with other SM archive templates in SM-ready themes.
all items order added.
readme updated, version number increased.
archive buy/save links, update versions
remove class conflict
items order fix
all items shortcode title link fix
Added a couple of conditionals.

SM item archive was throwing some conditionals and a PHP error.  get_query_var is null in CTP archives.
not ! fix on archives
Merge pull request #3 from graphpaperpress/master

Sync with master GPP 2