pickup all libevent API interface in C
event_free() will call in cevent_Free()
fix bug
rename local variable
confirmed cevent_base.get_supported_methods() by get_supported_methods.k
Revert "fix command.c (replace getenv => factory.getenv_i)"

This reverts commit 8f1fcf6c7dccfb37afd4b46a5b65c4a122a3f53e.
fix Segmentation Fault when loading No-Such-Module
fix minivm
Merge pull request #413 from imasahiro/fix_minivm

Renewal Minivm
use kString_text() macro
fix according to comments
Merge branch 'libevent_evhttp' into libevent

Conflicts:
	src/package-devel/Lib.Libevent/Libevent_glue.c
Merge branch 'master' into libevent
Merge tag 'create_kArray_and_return' into libevent

Conflicts:
	src/package-devel/Lib.Libevent/Libevent_glue.c
	src/package-devel/Lib.Libevent/Libevent_kick.k
implemented all of event_base class
change to KNULL(String), KNULL(Func) from K_NULL
revise cevhttp_set_cb_common() calling sequence
Merge branch 'libevent_evhttp' into libevent