Fixed a wrong index.
A minimal comment
Merge pull request #14 from sissa/fix_docs

Fixed a wrong index.
Merge pull request #17 from GivAlz/fix_docs

basis_span comments and cell_span
added a comment
Merge pull request #15 from nicola-giuliani/fix_docs

added a comment
added the 3 new files for the arclength reparametrization

assembled the system, now we are doing the solver.

we need to create a proper test for our utility

Up and running the test for the length of the curve
The tests seem to be working properly