io stuff
Revert "io stuff"

This reverts commit 41b13b4cf3c6f9843651bc317efb626f9c762df1.
Revert "Revert "io stuff""

This reverts commit ee4dcc68008f29798cbd534c944540171ec44f1e.
Merge branch 'master' of https://github.com/Erik-Raccy/hc3m3