included tests
fixed the merge conflict
Merge branch 'master' of github.com:XomniCloud/xomni-sdk-dotnet
stop ignoring *.pfx files
Asset Url - absolute url checks added.
added WishlistMetadataManagement
added sdk methods for item group, ungroup and move
renamed MoveItems to MoveItemsAsync
Asset delete and relations methods added.
Asset relation URL fix and API access methods marked as internal.
bumped the version
Management Device methods implemented.
Device delete method changes.

RelatedPublicAPIUserId parameter added to device delete method.
PublicApiUser fields changed to licence
PublicApiUser parameter names changed to licence
API implementation and namespace changes.

Device type APIs implemeted and device API namespace changes.
DeviceTypeManagement derived type changed.
Forbidden Exception added and bug fixes.
DynamicAttributeType management implemented.
Base class changed to add Skip & Take functionality.