Add core and async to dependancy. Fix test.ml
charEncoding interface
escape uchar
charEncoding interface
Ascii encoding (in progress)
Remove Async dependancy
OASIS 0.3
OASIS 0.3, Remove dependancy of async and core.
CharEncoding (only ascii implemented).  Able to compile, but the build of test fails
test.ml, still cannot be compiled.
Merge branch 'master' into charEncoding

Conflicts:
	INSTALL.txt
	_tags
	myocamlbuild.ml
	setup.ml
	src/META
	test/test.ml
Test compile and run successfully.
ignore files
Latin1 (pass the tests)
UTF-8 encoding
setup.ml
OCaml 4.00.1 and opam 1.00
UTF16BE
Rope bug: quick and dirty fix
utf-test: shorter text and more debugging info