update to 1.0.18

for sclo-php build (only buildtime, runtime will use

update to 1.0.16
soname bump to 23 (libsodium13 compat package exists)
manage update from libsodium23 (3rd party repository)
Add static library subpackage
fix license management

Update to 1.0.5

Update to 1.0.3

Update to 1.0.2

Update to 1.0.1

Update to 1.0.0

Update to 0.7.0

Update to 0.6.1

Update to 0.6.0

Update to 0.5.0

Disable silent build rules.
Preserve the timestamp.

Add doc for devel package.
Add support for EPEL6.

Update to 0.4.5

Drop useless files.
Improve the description.