lots of changes

Rev: src/acconfig.h:1.16
Rev: src/array.c:1.30
Rev: src/array.h:1.11
Rev: src/builtin_functions.c:1.74
Rev: src/compilation.h:1.7
Rev: src/configure.in:1.160
Rev: src/dynamic_load.c:1.24
Rev: src/interpret.c:1.69
Rev: src/interpret.h:1.19
Rev: src/language.yacc:1.61
Rev: src/las.c:1.53
Rev: src/main.c:1.42
Rev: src/modules/Makefile.in:1.15
Rev: src/modules/dynamic_module_makefile.in:1.31
Rev: src/modules/spider/dumudp.c:1.34
Rev: src/modules/static_module_makefile.in:1.25
Rev: src/modules/system/system.c:1.42
Rev: src/program.c:1.64
Rev: src/program.h:1.33