v4.10: Merge pull request #53 from bookboon/hotfix/v1-ns

Hotfix/v1 ns

v4.9.1: Merge pull request #52 from bookboon/hotfix/thumbnailresolver

Centralise thumbnailResolver

v4.9: Merge pull request #51 from bookboon/hotfix/author-thumb

Add getThumbnail on Author too

v4.8.3: Merge pull request #50 from bookboon/hotfix/journey-thumb

Add getting for journey image

v4.8.2: Merge pull request #49 from bookboon/hotfix/fix-static

Only set journey books when there are some

v2.4.4

Upgrade php to min 5.6 and fix a few tests

v4.8.1: Merge pull request #47 from bookboon/hotfix/case-insentive-take-2

Implement case insensitivity through custom headers class instead

v4.8: Merge pull request #46 from bookboon/hotfix/headers-case-insensitive

All headers are now returned in lower-case form. Might be probablemat…

v4.7: Merge pull request #45 from bookboon/feature/new-entities

Feature/new entities

v4.6.1: Merge pull request #44 from bookboon/hotfix/fix-last

Make methods public and fix OauthClient