What's Changed

• [example] Enhance caption demo to read from local directory by @tschulz in #104
• [example] Enhance pop demo to read from local directory by @tschulz in #105
• [MTC-70] Do not send 'null' values in post bodies unless explicitly set by user. by @tschulz in #106

Full Changelog: v1.15.6...v1.15.7