Upgrade candid to v0.10 (#24)

This upgrades candid to the new libary version which has been split into
smaller pieces, hence reducing the size of the dependencies for
downstream projects.

upgrade candid 0.9 and drop ic-cdk dependency (#19)

Since candid types/traits are in the public API, the version of this
crate is also bumped.

This work is necessary for sdk team to upgrade candid in `ic-cdk`.

Bump cdk version (#16)

Already increases version number to prepare for the next release.

Extend test state machine to verify canister signatures (#15)

Extend the state machine binary with functionality to verify canister
signatures. This makes testing canister signatures a lot easier.

Add support to set time to a specific value (#14)

This adds support to set the time to a specific value to the client
library.

Note: This is not yet supported by the state machine binary. But the
client library needs to have support first, because the binary uses the
`Request` types from it.

chore: Bump version to v2.0.0 (#12)

In preparation for the next release, major version increase due to
breaking changes.

Update ic-cdk dependency and bump version (#6)

Bump version to v1.1.0 (#5)

Sets the new version in preparation for release v1.1.0.

Move over latest features from the II implementation (#3)

This updates this crate with the latest changes that happened in the II
repository.