add tests and fix warning tests + poisson process

algorithms/_utils_abc.jl

algorithms/abc_smc.jl

core/common.jl

core/model.jl

models/ER.jl

models/SIR_tauleap.jl

models/poisson.jl

tests/automata/accept_R5.jl

tests/automata/read_trajectory_last_state_F.jl

tests/automata/read_trajectory_last_state_G.jl

tests/automata/sync_simulate_last_state_F.jl

tests/automata/sync_simulate_last_state_G.jl

tests/automaton_abc/R1.jl

tests/automaton_abc/distributed_R1.jl

tests/cosmos/distance_G/ER_R5.jl

tests/dist_lp/dist_case_2.jl

tests/dist_lp/dist_case_3.jl

tests/dist_lp/dist_sim_sir.jl

tests/run_abc_smc.jl

tests/run_all.jl