Vcard highlevel interface pr (#18)

* Start implementing high-level interface for vcard objects

* Add derive for Eq and PartialEq for generated types

* Add raw() getter for generated types

* Add basic vcard test

* Add function to create a Vcard object from a Component

* error-chain: 0.10 -> 0.11

* Add helper to generate parameter list

* Add VcardBuilder

* Add test for VcardBuilder

* Rename util.rs -> param.rs

* Do not pass complete input string to error

1 files changed, 6 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
index d772e5e..cf34910 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -10,6 +10,12 @@ error_chain! {
             description("Parser error")
             display("{}", desc)
         }
+
+        NotAVCard {
+            description("Input is not a valid VCard")
+            display("Passed content string is not a VCard")
+        }
+
     }