YDBAIM more tests.

All labels reference routine %YDBAIMTEST

Addresses:

1. [#12 (closed)] Test xsub(n) ranges in trange1,trange2
2. [#13 (closed)] Test interaction of xsub vs xsub(n); when n<xsub, n=xsub, x>xsub, or if xsub is not specified in tinv[5-7],tsubs[1-5]
3. [#14 (closed)] Test that data with null subscripts gets indexed properly in tnull
4. [#16 (closed)] Test statistics when stat=0, stat=1, stat=2, stat>2 in tstat,tinv10
5. [#17 (closed)] Test LSXREFDATA in tlsxref
6. [#18 (closed)] Test behavior when sep="" or unspecified, combined with pnum in tinv8
7. [#20 (closed)] Test nmonly parameter in tnmonly
8. [#21 (closed)] Test omitfix parameter in tomitfix
9. [#22 (closed)] Test termination and then continuation of a building of an xref in tresume
10. [#24 (closed)] Multiples processes tests for concurrency testing in tcon1