Cut l<m for beam transfer matrix.
Cut l<m for svd beam.
Cut l<m for kl-transform.
Cut l<m for power spectrum estimation.

Now the first part, i.e., runprod,  works fine.
Cut l<m for the second part.

The whole program and pipeline passed test.
Add data compression to some hdf5 files.
Fix bug in MonteCarloAlt.
Add frequencies to time stream common data.
Save clarray for later use to reduce computation.
Inverse variance method power spectrum estimation.
Methods to get square root of a Hermitian matrix.
Uncorrelated and minimum variance power spectrum estimation.
Copy fisher matrix to get its square root.
Clean code.
Full methods for cross power spectrum.
Modification of docstrings in disharray.py.
Modifacation of docstring in telescop.py.
Change docstrings.
Change docstrings.
Change docstrings in telescope.py.