snapshot fix

automatically force snapshots in the pkg_add command if we're updating snapshot packages

v0.0.19

no longer need to specify -s when on a beta kernel (pre-release snapshot)

v0.0.18

improved version detection logic (again)

0.0.17

• you can now use obsdpkgup -s to force checking the snapshot package directory for updates (useful for when a new openbsd release is imminent)

0.0.14

performance improvements and version comparison fixes

0.0.13

• Support for PKG_PATH, TRUSTED_PKG_PATH
• Add new pkgup index format proposal and supporting generation scripts

0.0.9

update README to show upgrade apply usage