oci8->Execute: if $inputarr is scalar, make it an array
Whitespace fixes
Impossible to retrieve BLOB from DB with PostgreSQL >= 9.0

The new default 'hex' for bytea_output setting, causes PHP to
incorrectly process the column's contents. As recommended in [1], we set
bytea_output to 'escape' when connecting, to ensure this works

Fixes #4

[1] https://bugs.php.net/bug.php?id=59831
Merge branch 'master' into mantis-1.3

Conflicts:
	docs/docs-adodb.htm