Adding error message and stack trace dump to CRL downloading.

Author: gm2552

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>agent</artifactId>    
     <name>Direct Project Security And Trust Agent</name>
-    <version>8.1.2</version>
+    <version>8.1.3-SNAPSHOT</version>
     <description>Direct Project Security And Trust Agent</description>
     <inceptionYear>2010</inceptionYear>
     <url>https://github.com/DirectProjectJavaRI/agent</url> 

src/main/java/org/nhindirect/stagent/cert/impl/CRLRevocationManager.java

@@ -400,7 +400,7 @@ protected X509CRL getCrlFromUri(String crlUrlString)
             }
             catch (Exception e)
             {
-                log.warn("Unable to retrieve or parse CRL from URI {}", crlUrlString);
+                log.warn("Unable to retrieve or parse CRL from URI {}: {}", crlUrlString, e.getMessage(), e);
             }
         }