Print settings WIP

The groundwork for a fix with print settings(2)
Print Settings update

Continuation of sys_getPrintJob fix. Added comments and code for an
attempt at retrieving the print job details.
sys_GetOSVersion update

Added the start of a new sys_GetOSVersion method that uses all of the
version helper methods.
sys_GetRegText 64bit fix

Fixes the sys_GetReg<Text,Blob,Array,Longint> functions from crashing in
64 bit applications.
merge Dev into master

Code conflict changes
Revert code changes to sys_GetDocumentList

Changes from the last merge caused 6.4 code to be reverted. Updated
master.
Merge branch 'Dev'