Fixed dependency requirements and CHANGELOG

CHANGELOG.md

 # v1.0.0
 ## 14/01/2020
 
-1. [](#new)
+**New**
     * ChangeLog started...

requirements.txt

-numpy==1.16.2
-scipy==1.2.1
+numpy==1.18.1
+scipy==1.4.1
 pandas==0.24.2
-sklearn==0.0
-joblib==0.13.2
+scikit-learn==0.22.1
+joblib==0.14.1
 diskcache==4.1.0