add a script to automatically detect file encoding and convert to utf-8
add support for meipai
fix progress bar
fix description_pattern for meipai
fix meipai pages which do not contain description
it's not easy to get description from meipai without bs4, I give up
use fake headers default, add Content-Type header
use lxml to parse html
use lxml.html and xpath to parse html
fix error in url_patterns, support secure.flickr.com
use lxml.html to parse html for meipy & flickr
add bitsnoop_search
exit 1 when no search result
avoid thread warnning, ref:
https://stackoverflow.com/questions/8774958/keyerror-in-module-threading-after-a-successful-py-test-run
fix error when search result item's description totally matchs search keyword