added EGFRD classes
renamed EGFRDWorld_test as EGFRDSimulatorWrapper_test
removed unnecessary EGFRDModel files
fixed a silly mistake
added a missing option
added a function to create a repulsive rule
automatically register a repulsive rule if no rules is assigned for each pair of Species
implemented list_particles
added optional parameters to constructors
return if the step reaches the given time
added optional interfaces
added a test case for NetworkModel::query_reaction_rules
check once for each pair
updated Simulator::step(Real const& upto)
recalculate the next time after stepping
reset the log level
fixed a critical bug
added an optional interface, num_molecules to BDWorld
avoid a step with no particles