Updated changelog and bumped version number (#174)

* chore: update changelog and bump version number

* docs: update changelog

* Update CHANGELOG.md

Co-authored-by: Jonas Finnemann Jensen <jopsen@gmail.com>

* Update CHANGELOG.md

---------

Co-authored-by: Jonas Finnemann Jensen <jopsen@gmail.com>

Updated changelog and bumped version number (#137)

* chore: update changelog and bump version number

* docs: add min version sdk update

Upgrade flutter_lints (#96)

* Upgrade flutter_lints

* Replace `part of <library>` with `part of '<file>.dart'`

* Avoid using deprecated property

* Avoid `Pointer.elementAt` in favor of + operator

Add namespace to `build.gradle` (#85)

Fixes #84

Follows changes from:
 * flutter/packages@6284c2d
 * flutter/packages@a86beaf

Fix testing (#79)

* Avoid `package:test` in `lib/src/`.

Bumped SDK constraint to `^3.0.0` to enable us to use new language
features.
Tweaked code as to not require `package:test` in `lib/src/`, since this
made publishing impossible.

* Upgrade ffigen

* Update changelog to reflect bumped SDK constraint

Prepare 0.5.3 (#36)

Migrated to null-safety

Prepare for 0.2.2 release

Added finalizers to ssl.EVP_PKEY, removing remaining known memory leaks

Updated readme for 0.2.0 release