chg: deleted unnecessary p_Content
chg: make monic if not over Q
added a test for dim() for rings over integers
fix dim test
fix dim test again
fix: mac osx port: need extern int in a c file (D, not C code part)
chg: add optional warning for ring variables names used in procedures
chg: updated test results for primitiv_l.tst
Merge pull request #381 from mmklee/primitiv_test

chg: updated test results for primitiv_l.tst
added the 'dim-test_for_rings_over_integers.tst' to 'Short.lst', also now the test file ends with a '$'
added missing bug_tr485 test (see 4c0f1bb48b8)
chg: replaced all n_* with np* functions to reduce overhead
fix: wrong conversion from number to long
chg: moved QlogSize from tgb.cc to longrat.h
Merge pull request #375 from mmklee/slimgb

Slimgb
add: AUTHORS for all.lib (#498)
add: AUTHORS to tst.lib
new version of derham.lib
Merge pull request #373 from mmklee/projunique

chg: deleted unnecessary p_Content
chg: make denominator monic if over a transcendental field extension of a finite field
chg: updated test results for longalg and gcdp_l