Function to find all object type ids that have a specified meta key
Also fixed a bug
Also updated recent commit to adhere to coding stnadards (whitespace )
updated available since version number on new function
Fix query string in old function
Updated get meta by timestamp to return properly deserialized meta in standard wordpress array form
add filters
spell wordpress WordPress
Fix query when no comparison or timestamp is passed
added $wpdb->prepare to queries
Merge pull request #935 from JeffPyeBrook/pr-meta-util-new-function

New function to find all object type ids that have a specified meta key