Release v0.1.0

A first proper release after a long time being in beta although stable.

Release v0.1.0beta3

fix can't set seed attribute

0.1.0beta2: Updates for fastscapelib-fortran next version (#18)

* drainage area computation now independent of SPL

* refactor boundary conditions

* update doc and requirements

0.1.0beta

versioneer no tag prefix

v0.1.0alpha

Pre-release that includes:

• Feature parity with fastscapelib-fortran
• Draft documentation