fix isQuotientRing for cases that parameter ring and basering are not the same
bugfix for isSubset, see track ticket 551
handling nonredundant primary decompositions in primDecsAreEquivalent-test
updated documentation of primDecsAreEquivalent
general nCoeff_is_field, nCoeff_is_domain
doc: libpolys and subdirs
removed incorrect test
doc: kernel and subdirs
better conversion Singular poly -> CanonicalForm
coeffs howto
fix: typo
addKernelCmds: alias, order of entries
gentable: prototype for doc.
Include text files into doxygen manual

chg: removed unnecessary C-style commenting
fix: typos in doc.
Updated Doxygen configuration to newer doxygen version
Fixed Doxygen config
removed n_IntDiv/cfIntDiv etc.
fix: gcd(bigint,bigint)
rewrite of crypto.lib: use bigint instead of number