New branch for updates and Binder compatibility

binder/apt.txt

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+apt-utils
+python-lxml

binder/postBuild

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+pip install -U dragnet

binder/requirements.txt

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+alembic==1.0.9
+appdirs==1.4.3
+async-generator==1.10
+attrs==19.1.0
+backcall==0.1.0
+beautifulsoup4==4.7.1
+bleach==3.1.0
+bs4==0.0.1
+certifi==2019.3.9
+chardet==3.0.4
+cssselect==1.0.3
+cycler==0.10.0
+Cython==0.29.7
+decorator==4.4.0
+defusedxml==0.5.0
+entrypoints==0.3
+fake-useragent==0.1.11
+feedparser==5.2.1
+ftfy==4.4.3
+html5lib==1.0.1
+httplib2==0.12.3
+idna==2.8
+ipykernel==5.1.0
+ipython==7.5.0
+ipython-genutils==0.2.0
+ipywidgets==7.4.2
+jedi==0.13.3
+Jinja2==2.10.1
+joblib==0.13.2
+jsonschema==3.0.1
+jupyter-client==5.2.4
+jupyter-core==4.4.0
+jupyterhub==0.9.4
+jupyterlab==0.35.4
+jupyterlab-server==0.2.0
+kiwisolver==1.1.0
+lxml==4.3.3
+Mako==1.0.9
+MarkupSafe==1.1.1
+matplotlib==3.1.0
+mistune==0.8.4
+nbconvert==5.4.1
+nbformat==4.4.0
+networkx==1.11
+nltk==3.4.1
+notebook==5.7.8
+nteract-on-jupyter==2.0.12
+numpy==1.16.3
+pamela==1.0.0
+pandas==0.24.2
+pandas==0.22.0
+pandocfilters==1.4.2
+parse==1.12.0
+parso==0.4.0
+pexpect==4.7.0
+pickleshare==0.7.5
+Pillow==3.4.2
+prettytable==0.7.2
+prometheus-client==0.6.0
+prompt-toolkit==2.0.9
+ptyprocess==0.6.0
+pyee==6.0.0
+Pygments==2.3.1
+pyparsing==2.4.0
+pyppeteer==0.0.25
+pyquery==1.4.0
+pyrsistent==0.15.1
+python-dateutil==2.8.0
+python-editor==1.0.4
+python-oauth2==1.1.0
+pytz==2019.1
+pyzmq==18.0.1
+requests==2.21.0
+requests-html==0.10.0
+scikit-learn==0.20.3
+scipy==1.3.0
+Send2Trash==1.5.0
+six==1.12.0
+soupsieve==1.9.1
+SQLAlchemy==1.3.3
+terminado==0.8.2
+testpath==0.4.2
+tornado==6.0.2
+tqdm==4.32.1
+traitlets==4.3.2
+twitter==1.18.0
+urllib3==1.24.2
+w3lib==1.20.0
+wcwidth==0.1.7
+webencodings==0.5.1
+websockets==7.0
+widgetsnbextension==3.4.2
+yahoo-fin==0.8.2