chg: break factor recovery earlier
chg: make sure factor's not a constant from the alg. func. field
fix: clear denominators before computing norm
chg: asserts in cfModResultant
chg: added new test for factorization over Q(a)
chg: moved some commented out tests from Short to Long
chg: added more tests for char_series from old libfac/charset/tests
chg: move algext.* -> cfGcdAlgExt.*
chg: update includes due to moving algext
fix: really need a charSet
fix: stupid bug in compress
chg: refactor SteelTrager
chg: added a section that describes how to add new code to factory
chg: added Limitations and Nomenclature
fix: wrong bound
chg: deleted unnecessary '#include "mod2.h"'
chg: more documentation for factory
chg: more documentation for factorization over alg. func. fields
chg: update test results and stats
Merge pull request #597 from mmklee/bug_fix

Bug fix and factory doumenation