accept str and unicode
accept str and unicode

basestring is the abstract type for str and unicode.

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