fix: #199 transform found Rally artifacts to upper case

since Rally API returns 'undefined' errors for lowercase artifacts.

lib/RallyValidate.js

@@ -726,7 +726,9 @@ class RallyValidate {
       const regexp = RegExp('\\b' + prefix + '[0-9]{1,10}\\b', 'gi')
       const artifactMatches = text.match(regexp)
       if (artifactMatches) {
-        artifacts = artifacts.concat(artifactMatches)
+        artifacts = artifacts.concat(artifactMatches.map(
+          artifactMatch => artifactMatch.toUpperCase())
+        )
       }
     })
     return artifacts
@@ -769,7 +771,7 @@ class RallyValidate {
             const artifactMatches = matches.map(match => {
               const artifactMatch = {
                 command: command,
-                artifact: match.substr(command.length + 2)
+                artifact: match.substr(command.length + 2).toUpperCase()
               }
               return artifactMatch
             })