Small fixes for the dp path and support for a new mars backend.
New Features
- (#109) Adds mars backend support.
Enhancements
- (#110) New
auto-hq and 'random-greedy-128' paths.
- (#119) Fixes several edge cases in the
dp path.
Bug fixes
- (#127) Fixes an issue where Python 3.6 features are required while Python 3.5 is
opt_einsum's stated minimum version.
