CodeSnip Old Code (SVN)

* Added StrReplace routine to UStrUtils.
* Replaced calls to StrUtils.ReplaceStr with UStrUtils.StrReplace.

Modified and corrected comments that refer to routines when they should refer to snippets.

* Added overloaded constructors to THTMLAttributes to enable instances to be created on the fly that contain one or more attributes.
* Modified units that use IHTMLAttributes to use new constructors where possible.

Development branch for CodeSnip release 4.

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