Updating README for new reference setting syntax
add CompanyInfo model/service
Merge pull request #20 from seanxiesx/master

add CompanyInfo model/service
CompanyInfo is read-only so in the README mark any write operations as not-applicable
version bump for 0.0.4
Support for Vendor name entity
Merge pull request #21 from minimul/vendor

Support for Vendor name entity
accessors for CustomerMemo and PrivateNote in SalesReceipt
Merge pull request #22 from seanxiesx/master

accessors for CustomerMemo and PrivateNote in SalesReceipt
Support for Employee named entity
Merge pull request #23 from minimul/employee

Support for Employee name entity
Updated README to reflect Employee Entity support