Stocal

Added
- Added Gibson & Bruck's NextReactionMethod
- Added Cao et al's tau leaping method in stocal.experimental.tauleap
- Added statistical validation suite in stocal.examples.validation and stocal.samples.dsmts
- Added modular trajectory sampling interface stocal.experimental.samplers
- Added flattening of rule-based processes into static processes
- StochasticSimulationAlgorithm instances accept an optional random seed

Deprecated
- Deprecated AndersonNRM in favour of AndersonMethod
- Deprecated TrajectorySampler in favour of StochasticSimulationAlgorithm
- Deprecated ReactionRule in favour of TransitionRule
- Deprecated Process.trajectory in favour of Process.sample

Changed
- TrajectorySampler instances now use an internal random number generator (sampler.rng) rather than python's global one.
- Improved performance of DirectMethod and AndersonMethod
- Improved performance of transition inference in TransitionRule

Fixed
- Fixed issue 4 in FirstReactionMethod

Changed
- stocal.examples.type_rules now does what it claims to do
- Events that occurr at tmax are now explicitly included in a trajectory

Fixed
- Fixed issue 3 in AndersonNRM

Changed
- MassAction.__repr__ now also prints rate constant

Fixed
- Fixed issue 1 in Event.next_occurrence
- Fixed issue 2 in ReactionRule.infer_transitions
- Fixed issue with printing transitions with non-string reactants

Added
- Added type support of reaction rules via ReactionRule.signature
- Added support for time dependent reaction rates

Changed
- ReactionRule.Transition can alternatively be specified through return type annotation in python3

Added
- Added python3 compatibility

Deprecated
- Deprecated dict support of several functions in favor of multisets
- Deprecated some method parameter names

Removed
- Removed requirement for ReactionRule.order

Changed
- Changed package organization

Fixed
- Fixed error in tutorial