tree 0ce14e00b617751ce0cbf1334aaf656e2e7b2d6b
parent e05a42fa7677e1b3d4100f8b19ead90debfb3321
author Scott Baker <smbaker@gmail.com> 1430846297 -0700
committer Scott Baker <smbaker@gmail.com> 1430846297 -0700

make observers stoppable by keyboard interrupt