http://git.tuvimen.i2p/forumscraper/tree/README.md
`identify` methods returns `None` on failure or initialized `ForumExtractor` that can scrape given url.
The get functions and `guess` return `None` in case of failure or `dict` defined as
{
'data': {
"boards": [],
"tags": [],
"forums": [],
'threads': [],
'users': []
},
'urls': {
'threads': [],
'users': [],
'reactions':[]
'forums': [],
...