add multiple fortunes example, bump version to 0.0.3
update example
fix date and version in changelog
fix type checking code, fix regression in MongoDB
convert incoming keys to underscore
add NeDB adapter, based on MongoDB adapter
remove adapters from main repo, update readme, tests, docs
Merge pull request #13 from daliwali/nedb-adapter

NeDB adapter
refactor tests, fix bug in NeDB
Merge pull request #14 from daliwali/nedb-adapter

refactor tests, fix bug in NeDB
update version number
update readme on unit tests
make NeDB adapter persist by default
reorder variable assignment, OCD
amend readme
remove snake case
update adapter, readme, packages
fix build status in readme
fix links in readme
fix type checking in NeDB adapter