fixed errors in fhir_crack() when resource type doesn’t appear in bundle
handle errors caused by the accidental use of serialized objects more gracefully
@value at the end of an XPath expression pointing to an attribute for design used in fhir_crack() is now optional and will be added automatically by fhir_crack if omitted
column names automatically generated by fhir_crack() are now shorter.
First Release of R-Package fhirckrackr v0.1.0