Merge pull request #1 from scttnlsn/master

Configurable id attribute
default idAttribute to _id
added contibutors
oops left console.log
updated readme again
updated min version
added ability to find/destroy by criteria and function
Spelling please.
Spelling please.
Merge pull request #2 from chrispitt/master

Spelling please.
updated contributors
added changelog; updated readme;
updated readme again
update readme again
fixed save for existing records
released v0.1.2
added size