Aubit 4GL SVN-Code

Fixups - use 4glpc rather than 4glc
reorder to allow proper debug builds
fix screen mode to use file_out_result (was completely broken)
fix double 'Exit' requirement when paging through output results

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more partial updates

Use number of rows affected - not estimated number

set sqlerrd[3] after a load

Fix some issues with channel::read

Fairly major movements withing the highlevel code to reduce the callbacks in the lowlevel code
session updates for esqlc sqltype

fix channel::read to allow character strings as well as variables
Fixups for Sessions
Add -C/--sqltype to 4glc options (specifies what sqltype to use)

remove newlines from input

first phase hl_.. updates - isolating calls from the lowlevel functions to the
callers