more tests added

Rev: src/configure.in:1.92
Rev: src/language.yacc:1.38
Rev: src/modules/call_out/Makefile.in:1.5
Rev: src/modules/call_out/call_out.c:1.10
Rev: src/modules/call_out/test_co.pike:1.1
Rev: src/modules/dynamic_module_makefile.in:1.12
Rev: src/modules/files/Makefile.in:1.5
Rev: src/modules/files/socktest.pike:1.2
Rev: src/modules/static_module_makefile.in:1.11
Rev: src/testsuite.in:1.39