tree 0c49f89b1951e4f0fa70d2c0bc62321de169b3bd
parent 1df11092f25ab41ff51bfe20dedc324ce1467e20
author Scott Baker <smbaker@gmail.com> 1439942641 -0700
committer Scott Baker <smbaker@gmail.com> 1439942641 -0700

add ability to create NetworkSlivers with sliver=None