MS SQL Native: Insert ID on prepared statement.

Implemented a fix (source:
http://phplens.com/lens/lensforum/msgs.php?id=19079) that would address
an issue where the last insert ID would not be returned when using a
prepared statement.
oci8 MetaType and MetaForeignKeys argument count are now strict-standards compliant
Whitespace and PHPDoc
Odbc driver: clear fields before fetching

Fix submitted by Warwick Smith in [1].

Ensures the fetched recordset does not contain any data left over from
an earlier fetch operation.

[1] http://phplens.com/lens/lensforum/msgs.php?id=17539
Odbc driver: MoveNext() now calls _fetch()
Ads driver: clear fields before fetching

Ensures the fetched recordset does not contain any data left over from
an earlier fetch operation.

Same fix as a1e2d109b756d607fb258dcdc94aeb4a52e5b454
Update changelog

- Documented recently committed changes
- Reordered in alphabetical order of driver name
New script to automate setting of new version in source code and doc
Added option to auto commit

The commit message will be "Bump version to X.YY"
Move version check to a function
Move setting of release date to a function
Private vars
Define sed script in a function
Move version update code to function
Revise buildrelease.py to use updateversion.py as module
Added error messages when no arguments provided
New 'updateversion.py' script
Bump version to 5.19dev

Bumped 'dev' version allows users who rely on source code downloaded
from the git repository rather than an official release tarball to
reliably determine that they are running a development version of the
library.
updateversion.py: don't print note if nothing was committed
Build scripts: move tag creation code to updateversion.py