Update version of mock DMA API server for tests to 1.4.16

README.md

@@ -46,7 +46,7 @@ client.authenticate(username, password) # USER Scope
 # You can also specify a scope if you do not wish to use the default `USER` scope
 # client.authenticate(username, password, 'SCOPE')
 
-# Instead of authenticate you cen set directly authentication token
+# Instead of authenticate you can set directly authentication token
 client.set_auth_token("auth_token")
 
 # You can also pass config file with auth tokens