update some dependent libs in requirements.txt

requirements.txt

@@ -1,9 +1,10 @@
 appdirs==1.4.0
 argcomplete==1.6.0
 backports.ssl==0.0.9
-cffi==1.9.1
+bleach==3.1.0
+cffi==1.13.2
 chardet==2.3.0
-cryptography==1.7.1
+cryptography==2.8
 cssselect==0.9.1
 evdev==0.6.0
 facebook-sdk==1.0.0
@@ -11,10 +12,10 @@ feedparser==5.2.1
 idna==2.2
 IMAPClient==1.0.2
 lmdb==0.89
-lxml==3.6.0
+lxml==4.4.2
 Mako==1.0.3
 MarkupSafe==0.23
-Mastodon.py==1.2.2
+Mastodon.py==1.5.0
 mock==1.3.0
 olefile==0.44
 pbr==1.10.0
@@ -23,14 +24,17 @@ pyasn1==0.1.9
 pycparser==2.17
 pyOpenSSL==16.2.0
 pyserial==3.2.1
+python-barcode==0.10.0
 python-dateutil==2.6.0
 python-escpos==2.2.0
-python-mpd2==0.5.5
+python-vlc==3.0.7110
 pyusb==1.0.0
-PyYAML==3.12
-pyzmq==15.2.0
+PyYAML==5.2
+pyzmq==18.1.1
 qrcode==5.3
-readability-lxml==0.6.2
+readability-lxml==0.7.1
 requests==2.10.0
+ruamel.yaml==0.16.5
 six==1.10.0
 twitter==1.17.1
+weasyprint==50