add ChannelDB api for storing channel membership

channels.py

@@ -0,0 +1,24 @@
+class ChannelDB:
+    def __init__(self, location=None):
+        self.channels = []
+        if not location == None:
+            self.read(location)
+
+    def read(self, location):
+        fd = open(location, "r")
+        [self.channels.append(i.rstrip()) for i in fd.readlines()]
+        fd.close()
+
+    def add(self, channel):
+        self.channels.append(channel)
+
+    def remove(self, channel):
+        self.channels.remove(channel)
+
+    def list(self):
+        return self.channels
+
+    def write(self, location):
+        fd = open(location, "w")
+        [fd.write(i + "\n") for i in self.channels]
+        fd.close()