Cleanup the note cache during install

Cleanup the note cache during install

Use echttp_get as a JSON extractor for shell scripts

Fix processing request received in multiple packets

Add dynamic estimated size for the token array, XML attribute fixes

Update documentation

Fix memory leak

Clarify when to release

Test all UTF-8 cases (1, 2, 3 or 4 bytes) based on Wikipedia UTF-8 ex…

…amples

Follow exact UTF-16 rules