Use VARconvert implementation for VALconvert. VALconvert used an implementation which was very similar in function to VARconvert.  There is no need to keep two such similar pieces of code. Also reformatted some comments.
Use VARconvert implementation for VALconvert.
VALconvert used an implementation which was very similar in function
to VARconvert.  There is no need to keep two such similar pieces of
code.
Also reformatted some comments.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb