[fix] resrtict requirements

Author: mosquito

pypi_server/__init__.py

@@ -9,7 +9,7 @@
     ("Dmitry Orlov", "me@mosquito.su")
 ]
 
-version_info = (0, 4, 7)
+version_info = (0, 4, 8)
 
 __version__ = ".".join(map(str, version_info))
 __author__ = ", ".join("{0} <{1}>".format(*author) for author in author_info)

setup.py

@@ -77,10 +77,10 @@ def walker(base, *paths):
     },
     packages=find_packages(exclude=('tests',)),
     install_requires=(
-        'tornado>=4.3',
+        'tornado>=4.3,<5',
         'tornado-xmlrpc',
         'slimurl',
-        'peewee',
+        'peewee<3',
         'bcrypt>=2.0',
         'lxml',
         'futures',