Bump to 0.3

Author: Spomky

composer.json

@@ -29,9 +29,12 @@
  "require-dev": {
  "phpunit/phpunit": "^6.0"
  },
+ "conflict": {
+ "spomky-labs/jose": "*"
+ },
  "extra": {
  "branch-alias": {
- "dev-master": "0.2.x-dev"
+ "dev-master": "0.3.x-dev"
  }
  },
  "config": {