Update reqs

Author: shyuep

requirements.txt

@@ -1,15 +1,15 @@
-numpy==1.16.2
+numpy==1.16.4
 scipy==1.2.0
 FireWorks==1.9.0
 pymatgen_diffusion==2019.2.28
 monty==2.0.4
 paramiko==2.4.2
-tqdm==4.31.1
+tqdm==4.32.1
 six==1.12.0
 pybtex==0.22.2
-ruamel.yaml==0.15.94
-pandas==0.23.4
+ruamel.yaml==0.15.96
+pandas==0.24.2
 pymatgen==2019.5.8
 custodian==2019.2.10
 networkx==2.2
-pydash==4.7.3
+pydash==4.7.4