* Added new UStrUtils unit to contain string utility functions.
* Added new StrPos and StrContainsStr routines to new unit. * Replaced all AnsiPos, Pos and PosEx routines in project with StrPos and StrContainsStr, depending on how routine was used.
Authored by: delphidabbler 2011-05-20
Parent: [r1432]
Child: [r1434]