Updated readme

Added Basic Parser functionality to loadd, parser:plain supported OOB…

…, closes #2

Added SECLUnmarshal Capability to SimpleStructUnmarshal

Code Cleanup and StructTag unmarshal

* Code was run through gofmt
* The New Function SimpleStructUnmarshal in the query package should
  enable the use of simple query paths to unpack SECL configs. It does
  not yet work on lists or maps but can unpack into nested struct and
  already supported types
* The Load Config function is now available. It parses the incoming string
  executes the SECL map and unpacks the root maplist

Small fix on the readme

Fixed bug in merge that would only merge the first map, not any furth…

…er maps

General Cleanups and Code Documentation