Bigger

------------------

* Fixed bug in computing parallel components.
* Loch ness monster's triangulation is labelled by integers not tuples.

------------------

* Memoizing link for efficiency.
* The support of a lamination is now computed when it is known to be finitely supported.
* Added ladder and spotted_ladder.
* Re-engineered triangulations to use oriented edges.
* Can now perform multiarcs with infinitely many components.
* Can now compute unicorn arcs.
* Added loch_ness_monster surface.

------------------

* Fixed bug which prevented b[::2] from working.
* Switched to publishing via github action.

------------------

* Changed curve test notation to match python slice notation.

------------------

* Fixed bug in label anchors.

------------------

* New draw method support variable text size and multiple simultaneous objects.
* Removed encode prefixes
* Added rotate to biflute