* [model] Reload now clears cached classes. (2f94c6e)
* [relation] Fix warning messages for invalid field names. (be1874c)
* [hop] Add missing line. (e536451)
* [relation] Replace the error message with a warning for fields with invalid identifiers. (b7afb93)
* [model] Added fields_aliases argument to get_relation_class to handle column names that are Python keywords or invalid variable names. (994e3a0)
* [hop] Add sql_adapter module if missing. (e643ba8)
* [field] Use cast in where representation to handle user-defined domains. (188e06b)