Add Puiseux extension to given point.

PuiseuxTSeries.extend_to_t() will in-place compute the
number of terms needed for the Puiseux series to approximate
the curve at a provided t-value to a given accuracy. (With
a default of 1e-8.) This is especially useful for Puiseux-
based analytic continuators.
Checkpoint: pre-discriminant points refactor.
Resolved pre-initialization RSP bug.

There was a bug where RSPs and ACs were trying to call
the PathFactory object before it was fully initialized.
This bug is now resolved.
Add stubs for AbelMap and RCV.
Checkpoint.
Add Puiseux extension to given point.

PuiseuxTSeries.extend_to_t() will in-place compute the
number of terms needed for the Puiseux series to approximate
the curve at a provided t-value to a given accuracy. (With
a default of 1e-8.) This is especially useful for Puiseux-
based analytic continuators.
Checkpoint: pre-discriminant points refactor.
Resolved pre-initialization RSP bug.

There was a bug where RSPs and ACs were trying to call
the PathFactory object before it was fully initialized.
This bug is now resolved.
Merge branch 'abel' of github.com:cswiercz/abelfunctions into abel
Initial stub for infinite Riemann surface paths.