v0.7.0

The 0.7.0 CNI release includes spec version 0.4.0, plus some minor bugfixes and improvements to the Go implementation.

CNI Spec v0.4.0

The big change in the spec is a new method CHECK, which runtimes can call to find out whether one network interface is still set up as they expect (#579).

libcni changes

The libcni API has changed with the addition of a Context to enable timeouts and cancellation (#568)

Spec changes:
#500 Use more RFC2119 style language in specification (must, should...)
#505 add notes about ADD/DEL ordering
#510 Make the container ID required and unique.
#543 remove the version parameter from ADD and DEL commands.
#557 Network interface name matters
#565 be explicit about optional and required structure members
#579 add CHECK method
#591 Add a well-known error for "try again"
#641 SPEC.md: clarify meaning of 'routes'

Library changes:
#96 pkg/types: Makes IPAM concrete type
#494 libcni: return error if Type is empty
#502 skel: VERSION shouldn't block on stdin
#521 non-pointer instances of types.Route now correctly marshal to JSON
#524 libcni: add ValidateNetwork and ValidateNetworkList functions
#536 pkg/skel: return error if JSON config has no network name
#554 skel: add support for plugin version string
#558 libcni: make exec handling an interface for better downstream testing
#568 libcni: api now takes a Context to allow operations to be timed out or cancelled
#570 types/version: add helper to parse PrevResult
#572 skel: only print about message, not errors
#584 skel,invoke,libcni: implementation of CHECK method
#587 cnitool: Honor interface name supplied via CNI_IFNAME environment variable.
#600 cnitool: validate correct number of args
#617 Don't copy gw from IP4.Gateway to Route.GW When converting from 0.2.0
#636 add PrintTo method to Result interface
#655 Return a better error when the plugin returns none

Documentation & Convention changes:
#492 roadmap: add 1.0 items and clean things up
#493 docs: add Governance procedure documentation
#495 Spec lists git tags pointing to old spec versions
#497 add the "ips" arg
#504 governance: add notes about public voting
#525 add new ipRanges capability.
#556 Conventions: add bandwidth limits
#639 Update conventions.md to include dns capability
#597 CONVENTIONS: add support for IP prefixes

Build and test changes:
#489 Release: clean the builddir when building.
#499,#538,#592 Golang versions: add 1.10, 1.11, drop 1.7 and 1.8
#501 Test all non-vendored packages
#508 cnitool: generate container id from the netns path
#514 Remove vendor directory
#515 Add CI for Windows
#535 tests: remove netns handling

Plus many more changes to fix typos, add 3rd-party plugins, etc. Full list of changes here.
Many thanks to the 50 contributors who helped make this release possible.