Maintenance release 3.0.5

Merge pull request #38 from bolt/hotfix/cleanup-label-sanitation

Clean up label-keys more consistently.

Maintenance release 3.0.4

Merge pull request #36 from bolt/bobdenotter-patch-1

Properly instantiate `data` after people clean out the labels.json file.

Maintenance release 3.0.3

Update README for required permissions.

3.0.2

• Fixed: Don't use sessions unless they're started (credit: @SahAssar)

3.0.1

• Fixed: Adding new labels via templates causes fatal error

Release for Bolt v 3.0.0 compatibility.

Merge pull request #28 from bolt/v3-refactor

V3 refactor

2.0.7

Merge pull request #23 from SahAssar/multibyte-string-fix

Use mb_strtolower and only show marked labels to logged in users

2.0.6

Merge pull request #22 from SahAssar/master

Set allowRemoveColumn to false

2.0.5

Typo

Compatibility fix with PHP 5.3.

2.0.4

Merge pull request #18 from bolt/fix/compatibility-for-the-poor-souls…