increasing estimators

Max depth - 3, learning_rate - 0.1, max_features - log2
Estimators: 50
real    1m29.432s
user    1m28.176s
sys     0m1.632s

Estimators: 75
real    1m23.595s
user    1m22.288s
sys     0m1.484s

Estimators: 100
real    1m28.077s
user    1m26.772s
sys     0m1.440s

Estimators: 125
real    1m27.595s
user    1m26.492s
sys     0m1.364s

Estimators: 150
real    1m25.689s
user    1m24.488s
sys     0m1.468s

Estimators: 175
real    1m24.579s
user    1m23.380s
sys     0m1.472s

Estimators: 200
real    1m20.711s
user    1m19.660s
sys     0m1.352s