Allow null values in records 2+ when using insertMany
Merge pull request #28 from clariture/insertMany

Allow null values in records 2+ when using insertMany
make properties in prototypes work
improve keywords in package.json
add clariture to contributors
update dependencies
improve readme a little
version 0.12.0
add mixins
fix mesa link in README
Merge pull request #31 from clariture/fixReadMe

Fix mesa link in README
Merge pull request #30 from clariture/mixin

add mixins
pass additional arguments to mixin to function
change test for mixin
improve section on mixins and add section on extending
add index
fix semicolon