README.md: update builddir setup command
README.md: specify implemented version
Update collections API/logic
snconv: update, allow plus signs
Update/unify the semantics of scalars
This ensures the meaning of scalars is 1) consistent and 2) doesn't
depend on their types.
tests: add bad character test
scalar: use memcmp() for null/bool
Update multiline scalar explicit end semantics
scanner: fix get_indented()
tests: print error description
Clarify that string length is in octets
Use "collection" instead of "vector"
Avoid lines longer than 80 characters
This doesn't apply to data in snconv.c.
meson: rename dependency variable
Improve scalar type logic
docs: remove outdated info