Added specs to show the problem with boolean parsing
Fixed specs after getting better understanding of Nori
Fixed param parsing for booleans
Merge pull request #83 from jkanschik/master

Request with empty array in nested element raises SOAPError "SOAP message structure is broken"
Rubinius dropped
Merge pull request #84 from jkanschik/request_boolean

Fix parsing of boolean parameters
Boolean conversion made more fluent (#84)
Typo fixed