#10 date-related functions not working

[Eric Safern]

The following snippet:
&date(DTOPEN) >= &today()

Produces:

Bareword "_TODAY" not allowed while "strict subs" in
use at load_customers.pql.EXEC line 102.

While this:
&d(DTOPEN) > &last_day(DTOPEN)

Produces this:

Global symbol "@_LAST_DAY_LEAP" requires explicit
package name at load_customers.pql.EXEC line 103.
Global symbol "@_LAST_DAY" requires explicit package
name at load_customers.pql.EXEC line 104.