add method to filter relevant fields, unit test

glcifinder-cli.py

@@ -7,6 +7,7 @@ import gitlab_api_finder
 @click.option("--count", default=1, help="Number of jobs to search.")
 @click.option("--projectid", prompt="Id of Gitlab Project", help="Id of Gitlab Project.")
 @click.option("--jobname", prompt="name of job to filter", help="Id of Gitlab Project.")
+# TODO add option "to-file" for storing the resulting json on disk
 def hello(count, projectid, jobname):
     gitlab_api_finder.find_jobs(count, projectid, jobname)