fix enum to camel case conversion for constants with numbers
preserve collection instance when setting property from client
queue of data is thread local, fixes bug where client connects multiple times (e.g. during multiple file uploads)
Revert "preserve collection instance when setting property from client"

This reverts commit 9461ac79801261ba5a61d052ef7131760030cc3a.
Revert "Revert "preserve collection instance when setting property from client""

This reverts commit 7267a509c571bc6655523aed5950af49606b89d3.
preserve collection instance