Bump package dependencies (#24)

requirements.in

@@ -1,3 +1,4 @@
 cryptography==1.5.2
 construct==2.8.8
 enum34==1.1.6
+click==6.7

requirements.txt

@@ -4,15 +4,18 @@
 #
 #    pip-compile --output-file requirements.txt requirements.in
 #
+appdirs==1.4.2            # via setuptools
 cffi==1.8.3               # via cryptography
+click==6.7
 construct==2.8.8
 cryptography==1.5.2
 enum34==1.1.6
 idna==2.1                 # via cryptography
-ipaddress==1.0.17         # via cryptography
+packaging==16.8           # via setuptools
 pyasn1==0.1.9             # via cryptography
 pycparser==2.17           # via cffi
-six==1.10.0               # via cryptography
+pyparsing==2.1.10         # via packaging
+six==1.10.0               # via cryptography, packaging, setuptools
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools                # via cryptography

test-requirements.txt

@@ -4,7 +4,9 @@
 #
 #    pip-compile --output-file test-requirements.txt test-requirements.in
 #
+appdirs==1.4.2
 cffi==1.8.3
+click==6.7
 construct==2.8.8
 coverage==4.2             # via pytest-cov
 cryptography==1.5.2
@@ -12,10 +14,12 @@ enum34==1.1.6
 hypothesis==3.6.0
 idna==2.1
 mock==2.0.0
+packaging==16.8
 pbr==1.10.0               # via mock
 py==1.4.31                # via pytest
 pyasn1==0.1.9
 pycparser==2.17
+pyparsing==2.1.10
 pytest-cov==2.4.0
 pytest-travis-fold==1.2.0
 pytest==3.0.3