bring incomplete docs into a shape that can be released

close documentation branch docs/3.1

merge documentation branch

finalize CHANGELOG

improve consistency in compare.h documentation

use reallocate instead of re-allocate

add another case to str_to_number tests

fix test function having the wrong type

update install instructions with instructions for windows DLL docs/3.1

fix some typos - issue #548

(0) -1000 -300 -100 -10 +10 tip

mercurial