[enhance] compiler, database, postgres: Handle queries options
[fix] runtime, postgres: pg column name are case insensitive
[enhance] postgres: typo in error messages
[fix] stdlib: non file part parsing of HttpRequest.get_multipart
[fix] stdlib: Do not returns quote in name of part
[fix] build: opapro
[cleanup] stdlib, mail: Remove deprecated/non-implemented mail functions (tmp)
[fix] stdlib: quick fix for opapro
[fix] postgres:  Per-socket authentication via socket pool.
[enhance] compiler, database, postgres: Just randomly tags function and prepared statements to avoid conflicts
[enhance] runtime, postgres: Added IntArray
[enhance] stdlib, runtime: Add a way to initialize PG sessions