add shortcode attributes to wrapper filters, fixes #10
add no_posts_message parameter to specify content if no posts found
add filters to title and permalink
limit private posts to logged in users
limit access to private posts using capabilities rather than checking if logged in
add support for excluding sticky posts
now exclude sticky posts from query
add support for ordering by meta_key
pushing version 2.3 to WordPress.org
Remove filter on title, fixes #16
pass shortcode attributes to listing class filter
add exclude_current parameter
disable the shortcode from running within itself
update readme
include author parameter
create custom boolean function to ensure "false" strings are sanitized as false, not true
version bump for previous change
Merge remote-tracking branch 'upstream/master'

Conflicts:
	display-posts-shortcode.php