Add missing newlines to parser error messages
Merge pull request #1194 from cdituri/cdituri/core/evalfunction-warn-about-unused-args-once-again

enable gcc -Wunused-parameter against libpromises/evalfunction.c
Merge pull request #1229 from lpefferkorn/parser_newlines

Add missing newlines to parser error messages
testall: run specified tests according to the defaults
testall: explicitly announce which test groups are being exercised