v3.1.1

Changes:

• bc0f013 Fix command-line tool options of help and version (#132)
• eadcdb9 Refine template loading performance (#138)
• 0697172 Fix bug for pulling templates in command-line tool (#145)
• a9a2507 Update template management documents (#135)
• fda6983 Refine command-line tool options and fix typos (#144)
• 09044fb Update document for TraceInfo (#147)
• fd19cc2 Fixed FHIR server name (#143)