Log Message:
11 Apr 2007 - 2.1.1
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* Add the PCRE_DOLLAR_ENDONLY option when compiling regular expression
  for the @rx operator and variables.
* Really set PCRE_DOTALL option when compiling the regular expression
  for the @rx operator as the docs state.
* Fixed potential memory corruption when expanding macros.
* Fixed error when a collection was retrieved from storage in the same second
  as creation by setting the rate to zero.
* Fixed ASCIIZ (NUL) parsing for application/x-www-form-urlencoded forms.
* Fixed the faulty REQUEST_FILENAME variable, which used to change
  the internal Apache structures by mistake.
* Updates to quiet some compiler warnings.
* Fixed some casting issues for compiling on NetWare (patch from Guenter Knauf)