better message text in checklibs (texinfo)
doc: more index entries for linear algebra
fix: typo
chg: do not initialize semaphore 0 in kernel
chg: change line breaks to unix format in symodstd.lib

Nothing else is changed.
add: resources.lib, tasks.lib
chg: base parallel.lib on tasks.lib
chg: add/update tests for resources.lib, tasks.lib, and parallel.lib
chg: use new parallel.lib in other libraries
fix: do not redefine Id in primeList()
add: include resources.lib and tasks.lib in experimental libraries
Merge pull request #438 from steenpass/parallel

new parallel.lib
fix: doc for tasks.lib/resources.lib/parallel.lib
fix: charstr for integer,2,3
fix: more charstr stuff (tr.237)
add: tests for tr.237 (charstr)
fix: initialize sem_cores correctly
Merge pull request #441 from steenpass/sem_cores

fix: initialize sem_cores correctly
add: option(warn) stuff: variable names

from spielwiese
fix: tr.532 (jakobkroeger)