Added hyperband support for hyperparameter tuning

requirements.txt

-dash~=1.11.0
-hypothesis~=5.29.0
-joblib~=0.16.0
-keras-tuner~=1.0.2
-kerastuner-tensorboard-logger~=0.2.3
-matplotlib~=3.1.3
-networkx~=2.4
-numpy~=1.18.1
-opencv-python~=4.2.0.32
-pandas~=1.0.3
-plotly~=4.5.0
-pytest~=5.3.5
-regex~=2020.2.18
-scikit-learn~=0.23.2
-scipy~=1.5.2
-seaborn~=0.10.0
-setuptools~=49.6.0
-sklearn~=0.0
-tensorflow-probability~=0.11.1
-tensorflow~=2.3.0
-tqdm~=4.50.0
-umap-learn~=0.4.6
+#
+# These requirements were autogenerated by pipenv
+# To regenerate from the project's Pipfile, run:
+#
+#    pipenv lock --requirements --dev
+#
+
+# Note: in pipenv 2020.x, "--dev" changed to emit both default and development
+# requirements. To emit only development requirements, pass "--dev-only".
+
+-i https://pypi.org/simple
+absl-py==0.11.0
+astunparse==1.6.3
+attrs==20.3.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+brotli==1.0.9
+cachetools==4.1.1; python_version ~= '3.5'
+certifi==2020.11.8
+chardet==3.0.4
+click==7.1.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
+cloudpickle==1.6.0; python_version >= '3.5'
+colorama==0.4.4; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
+cycler==0.10.0
+dash-core-components==1.9.1
+dash-html-components==1.0.3
+dash-renderer==1.4.0
+dash-table==4.6.2
+dash==1.11.0
+decorator==4.4.2
+dm-tree==0.1.5
+flask-compress==1.8.0
+flask==1.1.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
+future==0.18.2; python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'
+gast==0.3.3; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+google-auth-oauthlib==0.4.2; python_version >= '3.6'
+google-auth==1.23.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+google-pasta==0.2.0
+grpcio==1.33.2
+h5py==2.10.0
+hypothesis==5.29.4
+idna==2.10; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+itsdangerous==1.1.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+jinja2==2.11.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
+joblib==0.16.0
+keras-preprocessing==1.1.2
+keras-tuner==1.0.2
+kerastuner-tensorboard-logger==0.2.3
+kiwisolver==1.3.1; python_version >= '3.6'
+llvmlite==0.34.0; python_version >= '3.6'
+markdown==3.3.3; python_version >= '3.6'
+markupsafe==1.1.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+matplotlib==3.1.3
+more-itertools==8.6.0; python_version >= '3.5'
+networkx==2.5
+numba==0.51.2; python_version >= '3.6'
+numpy==1.18.5
+oauthlib==3.1.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+opencv-python==4.2.0.34
+opt-einsum==3.3.0; python_version >= '3.5'
+packaging==20.7; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+pandas==1.0.5
+plotly==4.5.4
+pluggy==0.13.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+protobuf==3.14.0
+py==1.9.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
+pyasn1-modules==0.2.8
+pyasn1==0.4.8
+pyparsing==2.4.7; python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'
+pytest==5.3.5
+python-dateutil==2.8.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'
+pytz==2020.4
+regex==2020.2.20
+requests-oauthlib==1.3.0
+requests==2.25.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
+retrying==1.3.3
+rsa==4.6; python_version >= '3.5'
+scikit-learn==0.23.2
+scipy==1.5.4
+seaborn==0.10.1
+six==1.15.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'
+sklearn==0.0
+sortedcontainers==2.3.0
+tabulate==0.8.7
+tensorboard-plugin-wit==1.7.0
+tensorboard==2.4.0; python_version >= '2.7' and python_version not in '3.0, 3.1'
+tensorflow-estimator==2.3.0
+tensorflow-probability==0.11.1
+tensorflow==2.3.1
+termcolor==1.1.0
+terminaltables==3.1.0
+threadpoolctl==2.1.0; python_version >= '3.5'
+tqdm==4.50.2
+umap-learn==0.4.6
+urllib3==1.26.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'
+wcwidth==0.2.5
+werkzeug==1.0.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
+wheel==0.35.1; python_version >= '3'
+wrapt==1.12.1