some minor corrections to the bokey_ module
some minor corrections to the bokey_ module

jhillairet/scikit-rf,Ttl/scikit-rf,jhillairet/scikit-rf,Ttl/scikit-rf,scikit-rf/scikit-rf,scikit-rf/scikit-rf,temmeand/scikit-rf,temmeand/scikit-rf,temmeand/scikit-rf,jhillairet/scikit-rf,Ttl/scikit-rf,Ttl/scikit-rf