Merge branch 'hotfix/0.5.6'
Fix bug that causes get_from_cache function to identify a result as compressed whenever its a string
Yet more inteligent use of resources in searchable decorator ftw
Use of features that searchable decorator have
Remove unused method get_formatted_string
Optimize robot according to the new features that searchable decorator have :D
Merge branch 'hotfix/0.5.7' into develop