chore: bump to v0.18.0 (getfider#740)

backport: PR getfider#669 to 0.17.1

chore: bump vesion (getfider#663)

fix: invalid post number should return a 404 and not a 500 (getfider#589

)

chore: remove buildnumber for 0.15 (getfider#505)

chore: update Fider version (getfider#439)

chore: update version to 1.3.0 (getfider#400)

chore: bump version to 0.12.0 (getfider#360)

chore: bump version to 0.11.0 (getfider#331)

update main.go version (getfider#272)