Release IA pages version: 0.41.0
store edits in a new column
fixed bug in hash merge
remove unused stuff
use array
Merge branch 'master' into staging_table

Conflicts:
	lib/DDGC/DB/Result/InstantAnswer.pm
	lib/DDGC/Web/Controller/InstantAnswer.pm
Merge pull request #278 from duckduckgo/staging_table

store page edits in updates column