requirements.txt: update

requirements.txt

 pandas==1.0.3
 biopython==1.75
-tqdm
-numpy
-regex==2020.2.20
+tqdm~=4.47.0
+numpy~=1.17.4
+regex~=2020.1.8
 lazyparser==0.2.0
 coloredlogs==10.0
-seaborn
-matplotlib
+seaborn~=0.10.1
+matplotlib~=3.1.2
+xlsxwriter==1.4.2
+scipy~=1.3.3
+statsmodels~=0.11.1
+cdlib~=0.1.10
+networkx~=2.4
+pyvis~=0.1.9
+rpy2~=3.3.3
+plotly~=4.8.1
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