Merge pull request #170 from EgorBu/master

Update requirements.txt

requirements.txt

@@ -1,6 +1,6 @@
 clint>=0.5.1,<1.0
 matplotlib>=2.0,<4.0
-numpy>=1.13.1,<2.0
+numpy>=1.16.0,<2.0
 pandas>=0.20.0,<1.0
 PyYAML>=3.12,<4.0
 scipy>=0.19.0,<2.0