• bpow() computed -X ** Y wrong for Y that are odd
  
• 0 ** -Y => +inf (was NaN) due to 0 ** -Y => 1/0**Y => 1/0 => +inf
  
• fixed bug in perl -Mbignum -le 'print 2 ** 46 * 3' under Bigint::Lite
  leading to "Can't use an undefined value as an ARRAY reference at
  /usr/local/lib/perl5/5.8.2/Math/BigInt/Calc.pm line 462."
  
• fixed upgrading of blog() with base = undef (means: base e)
  
• make the synopsis actually runnable (Thanx Paul McCarthy)
  
• blcm(): handle a list of strings (instead one obj and some strings), too