Apsw-sqleet

========

Fixed column description caching which could be preserved between
multiple statements in the same execution (:issue:`186`)

Updated documentation building tool to use new database of information
from the SQLite site. This is simpler and more reliable. (Previously
used site scraping.)

Added SQLITE_AUTH_USER, SQLITE_FCNTL_LAST_ERRNO,
SQLITE_FCNTL_WAL_BLOCK, SQLITE_FCNTL_GET_LOCKPROXYFILE, and
SQLITE_FCNTL_SET_LOCKPROXYFILE constants.

Removed SQLITE_GET_LOCKPROXYFILE, SQLITE_SET_LOCKPROXYFILE,
SQLITE_LAST_ERRNO file control constants. These are deprecated - use
the versions with FCNTL in their name (eg
SQLITE_FCNTL_GET_LOCKPROXYFILE).

Added :ref:`mappings <sqliteconstants>` for conflict resolution modes,
virtual table configuration options and xShmLock VFS flags.

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No APSW changes.

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The column description is now cached on first request during a query
so getting it is quick if called for every row.

Added SQLITE_CONFIG_PCACHE_HDRSZ and SQLITE_CONFIG_PMASZ constants, and
support for them in :func:`config`.

Added SQLITE_CHECKPOINT_TRUNCATE constant.

Update year in various places to 2015.

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No APSW changes.

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Fixed parsing of icu-config flags

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Added SQLITE_LIMIT_WORKER_THREADS constant