add static procedures for modStd_tasks()
remove old stuff
reset option redSB
add optional parameter exactness for modStd_tasks()
do not hard-code 'groebner' in pTest_std
fix number of primes for next lifting
parallelize farey step
parallelize reduction in finalTest()
parallelize primeList()
allow ring extensions in primeTest_std()
set pmax to 2^29 for baserings with parameters
fix return value of farey_parallel
load poly.lib in modstd_tasks.lib

for numerator() and denominator()
normalize result if groebner() of basering has parameters
set pmax to 2^29 if basering has parameters
cp modstd_tasks.lib to modquotient.lib