Remove dependency on botan, use randombytes from libsodium instead. Add some cmake code to allow static builds to easily be toggled on/off and work in both cases
Only require regex for static builds
Typo fix
Static build should be off by default
Replace tabs with 2 spaces
Remove remaining tabs

Missed em the first time.
Fixed multithread issues under GCC.
Merge branch 'psg-no-botan'