diff --git a/lib/tfw/components/source_code_event_handler.py b/lib/tfw/components/source_code_event_handler.py
index 5ff61e8..760b28b 100644
--- a/lib/tfw/components/source_code_event_handler.py
+++ b/lib/tfw/components/source_code_event_handler.py
@@ -1,5 +1,7 @@
 from os.path import isfile, join, relpath, exists, isdir
 from glob import glob
+from fnmatch import fnmatchcase
+from collections import Iterable
 
 from tfw.event_handler_base import TriggerlessEventHandler
 from tfw.components.directory_monitor import DirectoryMonitor
@@ -10,10 +12,19 @@ log = logging.getLogger(__name__)
 
 class FileManager:
     def __init__(self, working_directory, selected_file=None, exclude=None):
-        self.exclude = exclude if exclude is not None else []
-        self._workdir = None
-        self.workdir = working_directory
-        self.filename = selected_file or self.files[0]
+        self._exclude, self.exclude = None, exclude
+        self._workdir, self.workdir = None, working_directory
+        self._filename, self.filename = None, selected_file or self.files[0]
+
+    @property
+    def exclude(self):
+        return self._exclude
+
+    @exclude.setter
+    def exclude(self, exclude):
+        if exclude is None: return
+        if not isinstance(exclude, Iterable): raise TypeError('Exclude must be Iterable!')
+        self._exclude = exclude
 
     @property
     def workdir(self):
@@ -25,16 +36,21 @@ class FileManager:
             raise EnvironmentError('"{}" is not a directory!'.format(directory))
         self._workdir = directory
 
-    def select_file(self, filename):
+    @property
+    def filename(self):
+        return self._filename
+
+    @filename.setter
+    def filename(self, filename):
         if not filename in self.files:
            raise EnvironmentError('No such file in workdir!')
-        self.filename = filename
+        self._filename = filename
 
     @property
     def files(self):
         return [self._relpath(file) for file in glob(join(self._workdir, '**/*'), recursive=True)
                 if isfile(file) and
-                not any(word in file for word in self.exclude)]
+                not any(fnmatchcase(file, blacklisted) for blacklisted in self.exclude)]
 
     @property
     def file_contents(self):
@@ -61,7 +77,8 @@ class SourceCodeEventHandler(TriggerlessEventHandler):
         self.commands = {'read':      self.read,
                          'write':     self.write,
                          'select':    self.select,
-                         'selectdir': self.select_dir}
+                         'selectdir': self.select_dir,
+                         'exclude':   self.exclude}
 
         self._monitor = None
         self.reload_monitor()
@@ -92,7 +109,7 @@ class SourceCodeEventHandler(TriggerlessEventHandler):
         return data
 
     def select(self, data):
-        try: self.filemanager.select_file(data['filename'])
+        try: self.filemanager.filename = data['filename']
         except EnvironmentError: log.exception('Failed to select file "{}"'.format(data['filename']))
         return data
 
@@ -101,7 +118,7 @@ class SourceCodeEventHandler(TriggerlessEventHandler):
             self.filemanager.workdir = data['directory']
             self.reload_monitor()
             try:
-                self.filemanager.select_file(self.filemanager.files[0])
+                self.filemanager.filename = self.filemanager.files[0]
                 self.read(data)
             except IndexError:
                 data['content'] = 'No files in this directory :('
@@ -109,6 +126,11 @@ class SourceCodeEventHandler(TriggerlessEventHandler):
             log.error('Failed to select directory "{}"'.format(data['directory']))
         return data
 
+    def exclude(self, data):
+        try: self.filemanager.exclude = list(data['exclude'])
+        except TypeError: log.error('Exclude must be Iterable!')
+        return data
+
     def attach_fileinfo(self, data):
         data['filename'] = self.filemanager.filename
         data['files'] = self.filemanager.files
diff --git a/lib/tfw/networking/controller_connector.py b/lib/tfw/networking/controller_connector.py
index dcafa70..5646b8d 100644
--- a/lib/tfw/networking/controller_connector.py
+++ b/lib/tfw/networking/controller_connector.py
@@ -1,12 +1,9 @@
 import zmq
-from zmq.eventloop import ioloop
 from zmq.eventloop.zmqstream import ZMQStream
 
 from tfw.config import tfwenv
 from tfw.networking.zmq_connector_base import ZMQConnectorBase
 
-ioloop.install()
-
 
 class ControllerConnector(ZMQConnectorBase):
     def __init__(self, zmq_context=None):
diff --git a/lib/tfw/networking/solvable_connector.py b/lib/tfw/networking/solvable_connector.py
index a207a21..0225b39 100644
--- a/lib/tfw/networking/solvable_connector.py
+++ b/lib/tfw/networking/solvable_connector.py
@@ -1,12 +1,9 @@
 import zmq
-from zmq.eventloop import ioloop
 
 from tfw.config import tfwenv
 from tfw.networking.zmq_connector_base import ZMQConnectorBase
 from tfw.networking.serialization import serialize_all, deserialize_all
 
-ioloop.install()
-
 
 class SolvableConnector(ZMQConnectorBase):
     def __init__(self, zmq_context=None):
diff --git a/requirements.txt b/requirements.txt
index e057890..cdc46e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-tornado==4.5.3
-pyzmq==16.0.4
+tornado==5.0
+pyzmq==17.0.0
 transitions==0.6.4
 terminado==0.8.1
 watchdog==0.8.3
diff --git a/src/demo/event_handler_main.py b/src/demo/event_handler_main.py
index 730cf18..430b93b 100644
--- a/src/demo/event_handler_main.py
+++ b/src/demo/event_handler_main.py
@@ -40,7 +40,7 @@ toggle_next.button_state = False
 
 
 if __name__ == '__main__':
-    ide = SourceCodeEventHandler(key='webide', directory=tfwenv.WEBIDE_WD, exclude=['__pycache__'])
+    ide = SourceCodeEventHandler(key='webide', directory=tfwenv.WEBIDE_WD, exclude=['*.pyc'])
     terminado = TerminadoEventHandler(key='shell')
     terminado.historymonitor.subscribe_callback(cenator)
     terminado.historymonitor.subscribe_callback(selectdir)