add filter to post class; note: query is does not have a limit and will need to be optimized for larger databases
finished
basic filter for post only without limit
add time methods to post_comment_library, add filter-by-trending method to post
Merge pull request #22 from manspuri/feature-filter-popularity

Feature filter popularity
Merge pull request #23 from manspuri/feature-filter-by-trending

add time methods to post_comment_library, add filter-by-trending method ...
merged
added js??? and also made comments a link to its post