fix for package search not returning correct packages

Pulp's package api expects regular expressions when filtering by name.

src/lib/resources/pulp.rb

@@ -290,14 +290,14 @@ def packages repo_id
       end
 
       def packages_by_name repo_id, name
-        response = get(repository_path  + repo_id + "/packages/?name=" + name, self.default_headers)
+        response = get(repository_path  + repo_id + "/packages/?name=^" + name + "$", self.default_headers)
         body = response.body
         JSON.parse(body)
       end
 
       def packages_by_nvre repo_id, name, version, release, epoch
         #TODO: switch to https://fedorahosted.org/pulp/wiki/UGREST-Repositories#GetPackageByNVREA
-        path = repository_path + repo_id + "/packages/?name=" + name
+        path = repository_path + repo_id + "/packages/?name=^" + name +"$"
         path += "&release=" + release if not release.nil?
         path += "&version=" + version if not version.nil?
         path += "&epoch=" + epoch if not epoch.nil?