Support three-site interactions in Hamiltonians.
Further calc_x fixes.
Modify generic code to accept a three-site Hamiltonian.
Also make use of matrix form.
Add an example script for extended Ham. support.
Remove some debug cruft.
Update readme.
Add reference.
Improve docs in mps_gen.
Improve docs for tdvp_gen.
Update readme.
Add better/more documentation for the common functions.
Fix sandwich examples.
Make the uniform Heisenberg example load the state.
Improve fallback to EV decomposition in restore_RCF_r().
Support three-site interactions in Hamiltonians.
Further calc_x fixes.
Modify generic code to accept a three-site Hamiltonian.
Also make use of matrix form.
Add an example script for extended Ham. support.
Remove some debug cruft.
Fix ham sites detection. Correct typo.