v0.11.2

Improvements:

• MXSession: Add the supportedMatrixVersions method getting versions of the specification supported by the homeserver.
• MXRestClient: Add testUserRegistration to check earlier if a username can be registered.
• MXSession: Add MXSessionStateSyncError state and MXSession.syncError to manage homeserver resource quota on /sync requests (element-hq/element-ios/issues/1937).
• MXError: Add kMXErrCodeStringResourceLimitExceeded to manage homeserver resource quota (element-hq/element-ios/issues/1937).
• MXError: Define constant strings for keys and values that can be found in a Matrix JSON dictionary error.
• Tests: MXHTTPClient_Private.h: Add method to set fake delay in HTTP requests.

Bug fix:

• People tab is empty in the share extension (element-hq/element-ios/issues/1988).
• MXError: MXError lost NSError.userInfo information.