returned_arguments assertion for issue #37
more test cases for returned_arguments
fixed output
Merge pull request #40 from Tieske/returned-arguments

fixed output
updated readme
updated formatter section
Merge pull request #42 from Tieske/readme_snapshot

Readme update for snapshots
added german language file
removed new line after internal error messages
Merge pull request #43 from elkangaroo/german-translations

Added German translations
Merge pull request #39 from Olivine-Labs/returned-arguments

Returned arguments
version bump 1.6
support japanese message output
Merge pull request #44 from cubicdaiya/langsupport/ja

support japanese message output
Fix not up-to-date example in Readme

for custom extensions
Merge pull request #45 from mindreframer/patch-1

Fix not up-to-date example in Readme
fix: error assertion now takes a callable argument, instead of only functions
add: stub assertion (same as spy)
Merge pull request #46 from Tieske/callable_and_stub

2 minor updates
version bump