bump version

wayback INA is now https

add examples of finalized corpuses

fix edge case when users created a corpus called corpus /o\

differentiate urls from branches version and release versions (#486)

oupsie

fix links cache corrupted by json converting int keys to string

migrate linkscache from Mongo BSON to actual filesystem json cache si…

…nce it can overpass BSON's 16Mo max size limit

add link to webentity from list of all crawls (closes #448)

one more old dep