diff --git a/lib/httpagentparser/__init__.py b/lib/httpagentparser/__init__.py
index bba1e436..9bac5148 100644
--- a/lib/httpagentparser/__init__.py
+++ b/lib/httpagentparser/__init__.py
@@ -8,7 +8,7 @@ Tries to
     * assist python web apps to detect clients.
 """
 
-__version__ = '1.7.8'
+__version__ = '1.9.1'
 
 
 class DetectorsHub(dict):
@@ -31,7 +31,7 @@ class DetectorsHub(dict):
         return iter(self._known_types)
 
     def registerDetectors(self):
-        detectors = [v() for v in globals().values() if DetectorBase in getattr(v, '__mro__', [])]
+        detectors = [v() for v in list(globals().values()) if DetectorBase in getattr(v, '__mro__', [])]
         for d in detectors:
             if d.can_register:
                 self.register(d)
@@ -123,17 +123,6 @@ class Browser(DetectorBase):
     can_register = False
 
 
-class Firefox(Browser):
-    look_for = "Firefox"
-    version_markers = [('/', '')]
-    skip_if_found = ["SeaMonkey", "web/snippet"]
-
-
-class SeaMonkey(Browser):
-    look_for = "SeaMonkey"
-    version_markers = [('/', '')]
-
-
 class Konqueror(Browser):
     look_for = "Konqueror"
     version_markers = ["/", ";"]
@@ -154,6 +143,7 @@ class OperaMobile(Browser):
 
 class Opera(Browser):
     look_for = "Opera"
+    skip_if_found = ['Opera Mobi']
 
     def getVersion(self, agent, word):
         try:
@@ -171,6 +161,7 @@ class OperaNew(Browser):
     """
     name = "Opera"
     look_for = "OPR"
+    skip_if_found = ["Build/OPR"]
     version_markers = [('/', '')]
 
 
@@ -206,6 +197,14 @@ class MSEdge(Browser):
     skip_if_found = ["MSIE"]
     version_markers = ["/", ""]
 
+class ChromiumEdge(Browser):
+    look_for = "Edg/"
+
+    def getVersion(self, agent, word):
+        if "Edg/" in agent:
+            return agent.split('Edg/')[-1].strip()
+
+
 class Galeon(Browser):
     look_for = "Galeon"
 
@@ -219,10 +218,10 @@ class WOSBrowser(Browser):
 
 class Safari(Browser):
     look_for = "Safari"
-    skip_if_found = ["Edge"]
+    skip_if_found = ["Edge", "YaBrowser"]
 
     def checkWords(self, agent):
-        unless_list = ["Chrome", "OmniWeb", "wOSBrowser", "Android"]
+        unless_list = ["Chrome", "OmniWeb", "wOSBrowser", "Android", "CriOS"]
         if self.look_for in agent:
             for word in unless_list:
                 if word in agent:
@@ -274,6 +273,10 @@ class TwitterBot(Browser):
     look_for = "Twitterbot"
     bot = True
 
+class TelegramBot(Browser):
+    look_for = "TelegramBot"
+    bot = True
+
 class MJ12Bot(Browser):
     look_for = "MJ12bot"
     bot = True
@@ -397,13 +400,24 @@ class NintendoBrowser(Browser):
 
 class AndroidBrowser(Browser):
     look_for = "Android"
-    skip_if_found = ['Chrome', 'Windows Phone']
+    skip_if_found = ['Chrome', 'Windows Phone', 'Opera', 'Firefox']
 
     # http://decadecity.net/blog/2013/11/21/android-browser-versions
     def getVersion(self, agent, word):
         pass
 
 
+class Firefox(Browser):
+    look_for = "Firefox"
+    version_markers = [('/', '')]
+    skip_if_found = ["SeaMonkey", "web/snippet"]
+
+
+class SeaMonkey(Browser):
+    look_for = "SeaMonkey"
+    version_markers = [('/', '')]
+
+
 class Linux(OS):
     look_for = 'Linux'
     platform = 'Linux'
@@ -534,11 +548,10 @@ class Debian(Dist):
     look_for = 'Debian'
     version_markers = ["/", " "]
 
-
 class Chrome(Browser):
     look_for = "Chrome"
     version_markers = ["/", " "]
-    skip_if_found = ["OPR", "Edge"]
+    skip_if_found = [" OPR", "Edge", "YaBrowser", "Edg/"]
 
     def getVersion(self, agent, word):
         part = agent.split(word + self.version_markers[0])[-1]
@@ -547,6 +560,17 @@ class Chrome(Browser):
             version = part.split('+')[0]
         return version.strip()
 
+class YaBrowser(Browser):
+    look_for = "YaBrowser"
+    name = "Yandex.Browser"
+    version_markers = ["/", " "]
+
+    def getVersion(self, agent, word):
+        part = agent.split(word + self.version_markers[0])[-1]
+        version = part.split(self.version_markers[1])[0]
+        if '+' in version:
+            version = part.split('+')[0]
+        return version.strip()
 
 class ChromeiOS(Browser):
     look_for = "CriOS"
@@ -571,7 +595,7 @@ class Android(Dist):
     skip_if_found = ['Windows Phone']
 
     def getVersion(self, agent, word):
-        return agent.split(word)[-1].split(';')[0].strip()
+        return agent.split(word)[-1].replace(')', ';').split(';')[0].strip()
 
 
 class WebOS(Dist):
@@ -639,13 +663,10 @@ def detect(agent, fill_none=False):
                 pass
 
     if fill_none:
-        attrs_d = {'name': None, 'version': None}
-        for key in ('os', 'browser'):
-            if key not in result:
-                result[key] = attrs_d
-            else:
-                for k, v in attrs_d.items():
-                    result[k] = v
+        for outer_key in ('os', 'browser'):
+            outer_value = result.setdefault(outer_key, dict())
+            for inner_key in ('name', 'version'):
+                outer_value.setdefault(inner_key, None)
 
     return result