test node 0.8
make sure npm is updated for travis

(to support the caret operator)
add support for the pre-0.10.0 fs api
Merge pull request #3 from slang800/pre-api-change-options-support

pre-api change options support
remove fobject/cached from readme

...pretty experimental, probably going to be made into a separate
project in v1
split cached test into separate file
working on fobject/fake