load: Quiesce the on-load debugging messages.

Signed-off-by: Corbin Simpson <cds@corbinsimpson.com> <simpsoco@google.com>
objects/data: Beef up and test string slicing.

Signed-off-by: Corbin Simpson <cds@corbinsimpson.com> <simpsoco@google.com>
Update readme with build instructions.

Signed-off-by: Corbin Simpson <cds@corbinsimpson.com> <simpsoco@google.com>