add simulate outliers parameter

Merge pull request #88 from LAMPSPUC/add_simulate_outlier_param

add simulate outliers parameter

update version

Merge pull request #86 from LAMPSPUC/update_version_pt

update version

fix but model with slope and without level

v2.0.13

fix but model with slope and without level

fix xi when seasonal_innovation_simulation is not 0

Merge pull request #83 from LAMPSPUC/fix_ξ_simulation

fix ξ when seasonal_innovation_simulation is not 0

fix_empty_estimated_stochastic

Merge pull request #81 from LAMPSPUC/fix_empty_estimated_stochastic

fix empty estimated_stochastic

fix simulation for model with level and without slope

Merge pull request #79 from LAMPSPUC/fix_simulation_no_slope

fix simulation for model with level and without slope

hot fix empty cycle

Merge pull request #77 from LAMPSPUC/hot_fix_empty_cycle

Hot fix empty cycle

Hot Fix cycle simulation

Merge pull request #75 from LAMPSPUC/hot_fix_cycle_simulation

hot fix cycle simulation

speedup simulation

Merge pull request #73 from LAMPSPUC/speedup_simulation

speedup simulation

Add xi threshold and change dynamic exogenous estimation

Merge pull request #71 from LAMPSPUC/add_xi_threshold

Add xi threshold and update dynamic_exog_coefs estimation