* fcl-db/dbase: start splitting out FoxPro and Visual FoxPro support

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24109 3ad0048d-3df7-0310-abae-a5850022a9f2
* fcl-db/dbase: cosmetic

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24110 3ad0048d-3df7-0310-abae-a5850022a9f2
fcl-db/dbase: tests for findfirst etc, and visual foxpro

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@24111 3ad0048d-3df7-0310-abae-a5850022a9f2