Change 246 on 1999/02/04 by <gbarr@pobox.com> (Graham Barr)

	fixed read() to loop on sysread() until the correct number
	of bytes are read

Change 241 on 1998/12/23 by <gbarr@pobox.com> (Graham Barr)

	- made error from ->read() more descrptive
	- added t/07io.t
	- added new types as sub-type of STRING
	   ObjectDescriptor,	UTF8String,	NumericString,
	   PrintableString	TeletexString,	T61String,
	   VideotexString,	IA5String,	GraphicString,
	   VisibleString,	ISO646String,	GeneralString,
	   UTCTime,		GeneralizedTime
	- added special time tags TimeUL TimeUZ TimeGL TimeGZ
	- added BIT_STRING8 a special BIT_STRING that can only deal with
	  multiples of 8 the data is passed directlry, not as a string of
	  '1's and '0's like BIT_STRING
	- added SET_OF as sub-type of SEQUENCE_OF
	- enhanced IO routines for better performance
	- protected eval{}'s against $SIG{__DIE__}

Change 233 on 1998/11/09 by <gbarr@pobox.com> (Graham Barr)

	Now created constant subs in the sub-class package for the tag
	values and adds them to EXPORT_OK

Change 227 on 1998/11/04 by <gbarr@pobox.com> (Graham Barr)

	- local($SIG{__DIE__}) when using eval/die

Change 233 on 1998/11/09 by <gbarr@pobox.com> (Graham Barr)

	Now created constant subs in the sub-class package for the tag
	values and adds them to EXPORT_OK

Change 227 on 1998/11/04 by <gbarr@pobox.com> (Graham Barr)

	- local($SIG{__DIE__}) when using eval/die

*** Release 1.21

Change 205 on 1998/10/21 by <gbarr@pobox.com> (Graham Barr)

	dump and dumphex how accept a filehandle
	
	new dump sub with more readable output
	
	added support for BIT STRING

Change 202 on 1998/10/16 by <gbarr@pobox.com> (Graham Barr)

	30% speed improvement by remove use of method calls internally

Change 193 on 1998/10/04 by <gbarr@pobox.com> (Graham Barr)

	Convert::BER
	- now works with 5.003

Change 192 on 1998/09/26 by <gbarr@pobox.com> (Graham Barr)

	- OPTIONAL can now optianlly encode, passing undef anywhere in the
	  opList will cause the whole list not to be encoded
	
	- BER will no longer complain if passed undef as an argument, it
	  will just do nothing.

Change 174 on 1998/07/21 by <gbarr@pobox.com> (Graham Barr)

	Added CORE:: prefixes to keep 5.005-beta quiet

Tue Jun 16 1998 <gbarr@pobox.com> (Graham Barr)

	t/00prim.t
	- tweak to ensure test runs on the Mac

Mon Jun  8 1998 <gbarr@pobox.com> (Graham Barr)

	Added some tests to t/00prim.t
	
	Changed date in pod

Sun Jun  7 1998 <gbarr@pobox.com> (Graham Barr)

	more speed improvements, approx 30% faster encode
	- changed to use an array instead of hash
	- new num_length
	- new pack_tag
	- inlines some internal method calls


	- speedup changes to num_length

Sun Nov 30 1997 <gbarr@pobox.com> (Graham Barr)

	- unpack_tag was not checking that it unpacked what was expected

Wed Nov  5 1997 <gbarr@pobox.com> (Graham Barr)

	Updated BER.pod