3.7.0

Changes:

• ec98f66 Bump version to 3.7.0
• 1bfcdad Typo investigating on #507
• 7fc2082 bumb version to 3.6.5-beta1
• 7f02d4f Manage _lang API request parameter #489
• cd3bc83 Typo
• e2ddf61 Handle service metadatas without format #504

This list of changes was auto generated.