Python 2 and 3 compatibility #2

Merged

ccluri merged 10 commits intomasterfrom

Dec 20, 2017

Commits on Jul 10, 2016

Branch to be used in elephant integration
ccluri
committed

Commits on Jul 13, 2016

Commits on Jul 22, 2016

checks for invalid arguments, and simpler exception raising
ccluri
committed

Commits on Jul 25, 2016

Commits on Jul 26, 2016

Commits on Jul 28, 2016

Changing the docstring to reflect the units of tissue conductivity
ccluri
committed