10.30.2 Bugs Fixed

• Incorrect handling of stack overflow in SP_close_query().
• On Windows system:exec/3 would leak memory (handles).
• library(objects): handling of '$fix_param'/2 methods
• CLPFD: interaction of daemons and waking blocked goals; coreferences.
• Very long strings caused stack overflow exception in Prologbeans.
• Prologbeans and Prologbeans.NET: Executing a query with an empty Bindings caused en exception.
• Source info of interpreted clauses.
• Memory management issue with garbage collection + pending unblocked goals
• The spdet utility did not automatically add `.pl' extensions to file name arguments.