CodeSnip Old Code (SVN)

* Renamed StrTrim*Spaces routines in UStrUtils unit to StrTrim*.
* Renamed DUnit test methods in TestUStrUtils to suit renamed routines.
* Updated all affected code.

* Added new UStrUtils StrTrim*Spaces routines.
* Replaced all Replaced all SysUtils Trim* routine calls with new StrTrim*Spaces calls.
* Moved UUtils TrimChar* routines to UStrUtils and renamed as StrTrim*Chars and updated calling code.

* Extracted TUserDetailsPersist from UUserDetails to new UUserDetailsPersist unit.
* Modified TUserDetailsPersist so that it no longer updates TUserDetails fields directly but treats the record as immutable.
* Modified code that uses TUserDetailsPersist to use new unit.

Development branch for CodeSnip release 4.

Initial source is a copy of v3.8.4 (r1075).