Author: Frediano Ziglio <freddy77@gmail.com>
Date:   Mon Jul 6 16:54:51 2020 +0100

    tds: Optimization for char encoding

    Detect same charset and avoid using larger buffer to store
    result of conversion.
    This also affects the column length on some libraries which do
    not differ between DDL and byte length.

Author: Frediano Ziglio <freddy77@gmail.com>
Date:   Tue Jul 7 07:54:37 2020 +0100

    dblib: Allows to pass 0 as type for bcp_bind

    0 value as type means no conversion performed.
    This is correctly handled but it was rejected when more checks
    were introduced.

Author: Frediano Ziglio <freddy77@gmail.com>
Date:   Tue Jul 7 07:31:38 2020 +0100

    dblib: Add missing parameters to DBSETLSERVERPRINCIPAL macro

