1.2.1 / 2017-07-20

[Fix] set: actually overwrite values
[Tests] up to node v8.1, v7.10, v6.11; npm < 5 breaks on node < 4; improve matrix
[Dev Deps] update tape, jscs, nsp, eslint, @ljharb/eslint-config, semver, rimraf
[Dev Deps] remove unused dep parallelshell

1.2.0 / 2016-04-06

[New] add setIfMissingThenGet
[Tests] Add istanbul for code coverage and run it as part of tests.
[Tests] add tests for exceptions
[Tests] use pretest/posttest for linting/security; add --silent
[Tests] up to node v5.10, v4.4
[Dev Deps] update jscs, eslint, @ljharb/eslint-config, nsp

1.1.0 / 2016-01-29

[New] add #clear() to clear the cache
[Dev Deps] update tape, jscs, nsp, eslint, @ljharb/eslint-config, semver
[Tests] up to node v5.5, don’t allow 0.8 to fail
[Tests] fix npm upgrades on older nodes

1.0.3 / 2015-10-19

[Robustness] Ensure that when Symbol and Symbol.for are available, they're real Symbols and not gross fake ones
package.json: use object form of "authors", add "contributors"
[Dev Deps] update jscs, eslint, @ljharb/eslint-config

1.0.2 / 2015-10-14

[Deps] update define-properties
[Dev Deps] update tape, jscs, eslint, @ljharb/eslint-config, nsp, semver
[Tests] up to io.js v3.3, node v4.2
[Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG

1.0.1 / 2015-08-12

[Fix] Use Symbol.for to ensure that multiple instances of global-cache on the page share the same cache.
[Tests] Test up to io.js v3.0
[Dev Deps] Update jscs, tape, eslint, semver, define-properties; use my personal shared eslint config

1.0.0 / 2015-07-01

Initial release.