Merge pull request #72 from sunyc/master

2.27-sunyc-rc1
Fix crasher #14.

Fix #73, Always use unsigned short to store LPC type information.
Add missing {} in f_command.

It should return 0 when prase_command fails.
Merge pull request #74 from sunyc/master

Fix reported bug from rc1
Update README.md
Fixup various previous broken commit.

Conflicts:
	src/testsuite/single/inh.c
fix call_other type errors as warnings and some timezone leaking bugs (driver timezone would be changed after efun/error in efun)
added extra file:linenumber result for call_stack()
changed linux to __linux__ for adding async_getdir
allow floating point for heart beat interval
update changelog
Adding test for call_stack(4), added by wodan.
Complain loudly when local_options is missing.

Also removed the defunct "configuration" file.
Update patchlevel to 3.0-alpha2