Changes to the Oraperl package.

Patch 01
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Fixed a bug in Makefile - $(LIBS) was not used
Added the file Oracle-v5 - hints for building under Oracle v5
Changed copyright notices to allow copying under Larry's Artistic License
Added network addresses to the manual pages
Added a PATCHLEVEL file
No functional changes

Patch 02
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Added support for dynamically modifiable SQL statements
Added a Hints file
Corrected an error in the quick-reference sheet

Patch 03
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Fixed a bug in allocating the data buffers, notably affecting DATE fields
Fixed a bug in not freeing the space for ora_bind parameters
Fixed a bug in creating a "debug" variable when it wasn't needed
Improved debugging output, added support for flag 32 (string/numeric conversion)
Improved handling of $ora_errstr
Added configuration flags for various things to the Makefile
Added targets listing and docs to the Makefile
Added the &ora_version() function, analagous to Perl's -v flag.
Added the &ora_do() function, equivalent to &ora_close(&ora_open(...))
Added handling of NULL values returned from the database
Added an 'oraperl.ph' file
