update gitignore
fixed bug report sent by @shameister
fix bug in mp_radix_size()
zero values returned a length of 1, not 2 in case of radix 2
re-ordering the special casing takes care of it
Merge branch 'gerdr/fix/mp_radix_size' into develop
fixed comment
Fix typo on comment
Merge pull request #17 from LBg/patch-2

Fix typo on comment
Fix makefile.shared as proposed in gentoo bug report #376643

c.f. https://bugs.gentoo.org/show_bug.cgi?id=376643
update makefile to be able to define a target platform prefix
don't use 64bit MP's when compiling for windows 64bit
tommath: trim trailing spaces
mtest: add getRnd() that uses rand() when compiling for windows 64bit