Improve URL encoding

 Change URL encoding to apply percent-encoding also to spaces
 (which are currently converted to plus characters)

 Corrected also too specific disable_warnings method documentation

Issue-ID: TEST-162
Signed-off-by: kaihlavi <l.kaihlavirt@partner.samsung.com>
Change-Id: Iac253533905755955236e72e292cff2e49180034
diff --git a/robotframework-onap/eteutils/HTTPUtils.py b/robotframework-onap/eteutils/HTTPUtils.py
index c24ebf4..f5c8fe4 100644
--- a/robotframework-onap/eteutils/HTTPUtils.py
+++ b/robotframework-onap/eteutils/HTTPUtils.py
@@ -8,11 +8,11 @@
     """HTTPUtils is common resource for simple http helper keywords."""
 
     def url_encode_string(self, barestring):
-        """URL Encode String takes in a string and converts into 'percent-encoded' string"""
-        return urllib.parse.quote_plus(barestring)
+        """URL Encode String takes in a string and converts it into fully 'percent-encoded' string"""
+        return urllib.parse.quote(barestring)
 
     def disable_warnings(self):
-        """  Disable the cert warnings when creating sessions for A&AI API Calls """
+        """  Disable all warnings when creating sessions """
         urllib3.disable_warnings()
 
     def url_parse(self, url):