Update general.py
Update general.py

add sorted in the read_all.
file input was nonsensical.
Probably happened due to transfer of files from Windows to Kubuntu.
scikit-rf/scikit-rf,temmeand/scikit-rf,temmeand/scikit-rf,temmeand/scikit-rf,scikit-rf/scikit-rf,jhillairet/scikit-rf,jhillairet/scikit-rf,jhillairet/scikit-rf