0.1.1: Maintenance Release

• improve CoAP and IPv6 support (#121) @k-toumura
• Eliminate dependency on CLDR and minor fix for WoT code generation (#116) @k-toumura
• Restructure code layout (#114) @knolleary
• Add example flow to function node template (#111) @kazuhitoyokoi
• Support OpenAPI 3.0 as source data (#110) @kazuhitoyokoi
• Add documentation for WoT Thing Description support (#109) @k-toumura
• Add function .json support (#107) @dceejay
• Updated 'Example 2' save function section (#104) @juggledad