Exclude broken html5lib/tornado versions

See #402 (comment) and
#393 (comment)

Author: PromyLOPh

setup.py

@@ -105,11 +105,11 @@ def get_version():
 setup_kwargs['install_requires'] = [
     'chardet>=2.0.1,<=2.3',
     'dnspython3==1.12',
-    'html5lib>=0.999,<1.0',
+    'html5lib>=0.999,<=0.9999999',
     'lxml>=3.1.0,<=3.5',
     'namedlist>=1.3,<=1.7',
     'sqlalchemy>=0.9,<=1.0.13',
-    'tornado>=3.2.2,<5.0',
+    'tornado>=3.2.2,<4.5.3',
     'yapsy==1.11.223',
 ]