version 20200730

version 20200730, change list:

1) All elements of the SAS Packages Framework were moved to the SPFinit.sas file in directory SPF [SAS Packages Framework].

2) The public repository reordered [two new folders] and location link in the %installPackages() macro changed.

3) New directories: SPF [for SAS Packages Framework content and documentation] and packages [for packages repository]

4) Package FunctionsImissinBASE renamed to BasePlus.

5) All packages recompiled with new setup.

6) Help info improved and spellings corrected.