t/Makefile: remove LD_LIBRARY_PATH override

Tests #include mini.c directly rather than link to a compiled library.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
use memory stream for test files

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
add empty section name case to test suite

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
README: correct section name format documentation

Section names do NOT have leading and trailing whitespace stripped.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>