Complete documentation of the PerfectStateTransfer module.

[JaimePSantos]

Enhancement proposal

The following functions of PerfectStateTransfer need to be added to documentation:

• isStrCospec: Needs types.
• isSimplePoles: Needs types.
• sieveEratosthenes: Needs types.
• getSquareFree: Needs types.
• getEigenSupp: Needs types.
• checkRoots: Needs types.
• swapNodes: Needs full docs.
• getEigenVal: Needs full docs.

Additional comments

The summaries of these functions might also need some improvements to be in line with the rest of the documentation.