HTTPCLIENT-1525: fixed inconsistent debug log
Contributed by Joseph Walton <joe at kafsemo.org>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1624969 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1380: more informative exception message
Contributed by Joseph Walton <joe at kafsemo.org>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1624971 13f79535-47bb-0310-9956-ffa450edef68