CodeSnip Old Code (SVN)

* Moved several string handling routines from UUtils to UStrUtils. Renamed all and modified some slightly.
* Using code update accordingly.

* Added new StrSameStr, StrSameText, StrIsDelimiter and StrLastDelimiterPos routines to UStrUtils.
* Changed code that uses SysUtils AnsiSameStr, AnsiSameText, IsDelimiter and LastDelimiter to use equivalent new routines in UStrUtils instead.

Removed TODOs.

* Added combo box to display and select required file encoding in Save Source code dialog box. Required revision of dialog box template in resources to make room for new controls.
* Created code to supply supported encodings for each file type and to save files using required encoding to source file output manager and related code.
* Much XMLDoc commenting.

* Refactored TSourceFileInfo to store and expose file type related data via a record of type TSourceFileTypeInfo rather than using separate array properties for file extension and description (display name).
* Updated using units to use new interface to TSourceFileInfo.
* Changed commenting of USourceFileInfo unit to XMLDoc style.

Development branch for CodeSnip release 4.

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