added simpleutils as dependencies

requirements.txt

@@ -6,7 +6,7 @@ pandas >= 0.19.2
 scikit-learn >= 0.18.1
 numba >= 0.33.0
 scipy >= 0.19.0
-simpleutils >= 0.1.0
+simpleutils >= 0.1.2
 sqlalchemy >= 1.1.14
 psycopg2 >= 2.7.1
 finance-python >= 0.5.7
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