Dependency update (#33)

- Django (2.0.4)
- psycopg2 (2.7.4)
- tox (3.0.0)
- pytest (3.5.0)
- wheel (0.31.0)
- Sphinx (1.7.2)

requirements.txt

@@ -1,17 +1,17 @@
-Django==2.0.2
+Django==2.0.4
 djangorestframework==3.7.7
-psycopg2==2.7.3.2
+psycopg2==2.7.4
 
 # Test requirements
-tox==2.9.1
+tox==3.0.0
 pytest-django==3.1.2
-pytest==3.4.0
+pytest==3.5.0
 pytest-cov==2.5.1
 flake8==3.5.0
 factory-boy==2.10.0
 
 # wheel for PyPI installs
-wheel==0.30.0
+wheel==0.31.0
 
 # Sphinx for documentation builds
-Sphinx==1.6.7
+Sphinx==1.7.2

tox.ini

@@ -12,21 +12,21 @@ deps =
        django1.11: Django>=1.11,<2.0
        django2.0: Django>=2.0,<2.1
        pytest-django==3.1.2
-       psycopg2==2.7.3.2
+       psycopg2==2.7.4
        factory-boy==2.10.0
        djangorestframework==3.7.7
 
 [testenv:py35-flake8]
 commands = ./runtests.py --lintonly
 deps =
-       pytest==3.4.0
+       pytest==3.5.0
        flake8==3.5.0
 
 [testenv:py35-docs]
 whitelist_externals=make
 commands = make -C docs html
 deps =
        Sphinx>=1.6.5
-       Django==2.0.2
+       Django==2.0.4
        djangorestframework==3.7.7
        psycopg2==2.7.3.2