Update requirements

Generated using pipenv:

  $ pipenv lock -r > requirements.txt
  $ pipenv lock -r -d > requirements-dev.txt

requirements-dev.txt

@@ -1,26 +1,26 @@
 -i https://pypi.org/simple
 atomicwrites==1.3.0
-attrs==18.2.0
+attrs==19.1.0
 backcall==0.1.0
-decorator==4.3.2
+decorator==4.4.0
 entrypoints==0.3
-flake8==3.7.5
+flake8==3.7.7
 ipython-genutils==0.2.0
-ipython==7.2.0
-jedi==0.13.2
+ipython==7.4.0
+jedi==0.13.3
 mccabe==0.6.1
-more-itertools==5.0.0
-parso==0.3.3
-pexpect==4.6.0 ; sys_platform != 'win32'
+more-itertools==7.0.0 ; python_version > '2.7'
+parso==0.4.0
+pexpect==4.7.0 ; sys_platform != 'win32'
 pickleshare==0.7.5
-pluggy==0.8.1
-prompt-toolkit==2.0.8
+pluggy==0.9.0
+prompt-toolkit==2.0.9
 ptyprocess==0.6.0
-py==1.7.0
+py==1.8.0
 pycodestyle==2.5.0
-pyflakes==2.1.0
+pyflakes==2.1.1
 pygments==2.3.1
-pytest==4.2.0
+pytest==4.4.0
 six==1.12.0
 traitlets==4.3.2
 wcwidth==0.1.7

requirements.txt

@@ -1,7 +1,11 @@
 -i https://pypi.org/simple
+certifi==2019.3.9
+chardet==3.0.4
 falcon==1.4.1
-git+https://github.com/alanorth/SolrClient.git@c629e3475be37c82770b2be61748be7e29882648#egg=solrclient
 gunicorn==19.9.0
-psycopg2-binary==2.7.7
+idna==2.8
+psycopg2-binary==2.8.2
 python-mimeparse==1.6.0
+requests==2.21.0
 six==1.12.0
+urllib3==1.24.1