diff --git a/Cargo.toml b/Cargo.toml
index 537e3b25..48e2810f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,14 @@ name = "apitest"
 version = "0.1.0"
 authors = ["Dietmar Maurer <dietmar@proxmox.com>"]
 
+
+[lib]
+name = "json_schema"
+path = "src/lib.rs"
+version = "0.1.0"
+authors = ["Dietmar Maurer <dietmar@proxmox.com>"]
+
+
 [dependencies]
 failure = "0.1.3"  
 phf = "0.7.23"  
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 00000000..4d4da188
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,143 @@
+#![feature(plugin)]
+#![plugin(phf_macros)]
+
+//extern crate failure;
+
+extern crate phf;
+
+// Jss => JavaScript Schema
+
+//use failure::Error;
+
+pub type StaticPropertyMap = phf::Map<&'static str, Jss>;
+
+#[derive(Debug)]
+pub struct JssBoolean {
+    pub description: &'static str,
+    pub optional: Option<bool>,
+    pub default: Option<bool>,
+}
+
+#[derive(Debug)]
+pub struct JssInteger {
+    pub description: &'static str,
+    pub optional: Option<bool>,
+    pub minimum: Option<usize>,
+    pub maximum: Option<usize>,
+    pub default: Option<usize>,
+}
+
+#[derive(Debug)]
+pub struct JssString {
+    pub description: &'static str,
+    pub optional: Option<bool>,
+    pub default: Option<&'static str>,
+    pub min_length: Option<usize>,
+    pub max_length: Option<usize>,
+}
+
+#[derive(Debug)]
+pub struct JssArray {
+    pub description: &'static str,
+    pub optional: Option<bool>,
+    pub items: &'static Jss,
+}
+
+#[derive(Debug)]
+pub struct JssObject {
+    pub description: &'static str,
+    pub optional: Option<bool>,
+    pub additional_properties: Option<bool>,
+    pub properties: &'static StaticPropertyMap,
+}
+
+#[derive(Debug)]
+pub enum Jss {
+    Null,
+    Boolean(JssBoolean),
+    Integer(JssInteger),
+    String(JssString),
+    Object(JssObject),
+    Array(JssArray),
+    Reference { reference: &'static Jss },
+}
+
+pub static DEFAULTBOOL: JssBoolean = JssBoolean {
+    description: "",
+    optional: None,
+    default: None,
+};
+
+#[macro_export]
+macro_rules! Boolean {
+    ($($name:ident => $e:expr),*) => {{
+        Jss::Boolean(JssBoolean { $($name: $e, )* ..DEFAULTBOOL})
+    }}
+}
+
+pub static DEFAULTINTEGER: JssInteger = JssInteger {
+    description: "",
+    optional: None,
+    default: None,
+    minimum: None,
+    maximum: None,
+};
+
+#[macro_export]
+macro_rules! Integer {
+    ($($name:ident => $e:expr),*) => {{
+        Jss::Integer(JssInteger { $($name: $e, )* ..DEFAULTINTEGER})
+    }}
+}
+
+pub static DEFAULTSTRING: JssString = JssString {
+    description: "",
+    optional: None,
+    default: None,
+    min_length: None,
+    max_length: None,
+};
+
+#[macro_export]
+macro_rules! ApiString {
+    ($($name:ident => $e:expr),*) => {{
+        Jss::String(JssString { $($name: $e, )* ..DEFAULTSTRING})
+    }}
+}
+
+pub static DEFAULTARRAY: JssArray = JssArray {
+    description: "",
+    optional: None,
+    items: &Jss::Null, // is this a reasonable default??
+};
+
+#[macro_export]
+macro_rules! Array {
+    ($($name:ident => $e:expr),*) => {{
+        Jss::Array(JssArray { $($name: $e, )* ..DEFAULTARRAY})
+    }}
+}
+
+pub static EMPTYOBJECT: StaticPropertyMap = phf_map!{};
+
+pub static DEFAULTOBJECT: JssObject = JssObject {
+    description: "",
+    optional: None,
+    additional_properties: None,
+    properties: &EMPTYOBJECT, // is this a reasonable default??
+};
+
+#[macro_export]
+macro_rules! Object {
+    ($($name:ident => $e:expr),*) => {{
+        Jss::Object(JssObject { $($name: $e, )* ..DEFAULTOBJECT})
+    }}
+}
+
+
+// Standard Option Definitions
+pub static PVE_VMID: Jss = Integer!{
+    description => "The (unique) ID of the VM.",
+    minimum => Some(1)
+};
+
diff --git a/src/main.rs b/src/main.rs
index a9cc9af8..027f9c12 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,139 +1,11 @@
 #![feature(plugin)]
 #![plugin(phf_macros)]
+extern crate phf;
 
 extern crate failure;
 
-extern crate phf;
-
-
-use failure::Error;
-
-type StaticPropertyMap = phf::Map<&'static str, ApiTypeDef>;
-
-#[derive(Debug)]
-struct ApiTypeDefBoolean {
-    description: &'static str,
-    optional: Option<bool>,
-    default: Option<bool>,
-}
-
-#[derive(Debug)]
-struct ApiTypeDefInteger {
-    description: &'static str,
-    optional: Option<bool>,
-    minimum: Option<usize>,
-    maximum: Option<usize>,
-    default: Option<usize>,
-}
-
-#[derive(Debug)]
-struct ApiTypeDefString {
-    description: &'static str,
-    optional: Option<bool>,
-    default: Option<&'static str>,
-    min_length: Option<usize>,
-    max_length: Option<usize>,
-}
-
-#[derive(Debug)]
-struct ApiTypeDefArray {
-    description: &'static str,
-    optional: Option<bool>,
-    items: &'static ApiTypeDef,
-}
-
-#[derive(Debug)]
-struct ApiTypeDefObject {
-    description: &'static str,
-    optional: Option<bool>,
-    additional_properties: Option<bool>,
-    properties: &'static StaticPropertyMap,
-}
-
-#[derive(Debug)]
-enum ApiTypeDef {
-    Null,
-    Boolean(ApiTypeDefBoolean),
-    Integer(ApiTypeDefInteger),
-    String(ApiTypeDefString),
-    Object(ApiTypeDefObject),
-    Array(ApiTypeDefArray),
-    Reference { reference: &'static ApiTypeDef },
-}
-
-static DEFAULTBOOL: ApiTypeDefBoolean = ApiTypeDefBoolean {
-    description: "",
-    optional: None,
-    default: None,
-};
-
-macro_rules! Boolean {
-    ($($name:ident => $e:expr),*) => {{
-        ApiTypeDef::Boolean(ApiTypeDefBoolean { $($name: $e, )* ..DEFAULTBOOL})
-    }}
-}
-
-static DEFAULTINTEGER: ApiTypeDefInteger = ApiTypeDefInteger {
-    description: "",
-    optional: None,
-    default: None,
-    minimum: None,
-    maximum: None,
-};
-
-macro_rules! Integer {
-    ($($name:ident => $e:expr),*) => {{
-        ApiTypeDef::Integer(ApiTypeDefInteger { $($name: $e, )* ..DEFAULTINTEGER})
-    }}
-}
-
-static DEFAULTSTRING: ApiTypeDefString = ApiTypeDefString {
-    description: "",
-    optional: None,
-    default: None,
-    min_length: None,
-    max_length: None,
-};
-
-macro_rules! ApiString {
-    ($($name:ident => $e:expr),*) => {{
-        ApiTypeDef::String(ApiTypeDefString { $($name: $e, )* ..DEFAULTSTRING})
-    }}
-}
-
-static DEFAULTARRAY: ApiTypeDefArray = ApiTypeDefArray {
-    description: "",
-    optional: None,
-    items: &ApiTypeDef::Null, // is this a reasonable default??
-};
-
-macro_rules! Array {
-    ($($name:ident => $e:expr),*) => {{
-        ApiTypeDef::Array(ApiTypeDefArray { $($name: $e, )* ..DEFAULTARRAY})
-    }}
-}
-
-static EMPTYOBJECT: StaticPropertyMap = phf_map!{};
-
-static DEFAULTOBJECT: ApiTypeDefObject = ApiTypeDefObject {
-    description: "",
-    optional: None,
-    additional_properties: None,
-    properties: &EMPTYOBJECT, // is this a reasonable default??
-};
-
-macro_rules! Object {
-    ($($name:ident => $e:expr),*) => {{
-        ApiTypeDef::Object(ApiTypeDefObject { $($name: $e, )* ..DEFAULTOBJECT})
-    }}
-}
-
-
-// Standard Option Definitions
-static PVE_VMID: ApiTypeDef = Integer!{
-    description => "The (unique) ID of the VM.",
-    minimum => Some(1)
-};
+extern crate json_schema;
+use json_schema::*;
 
 
 static PARAMETERS1: StaticPropertyMap = phf_map! {
@@ -154,7 +26,7 @@ static PARAMETERS1: StaticPropertyMap = phf_map! {
         description => "Test Array of simple integers.",
         items => &PVE_VMID
     },
-    "myarray2" => ApiTypeDef::Array(ApiTypeDefArray {
+    "myarray2" => Jss::Array(JssArray {
         description: "Test Array of simple integers.",
         optional: Some(false),
         items: &Object!{description => "Empty Object."},
@@ -162,7 +34,7 @@ static PARAMETERS1: StaticPropertyMap = phf_map! {
     "myobject" => Object!{
         description => "TEST Object.",
         properties => &phf_map!{
-            "vmid" => ApiTypeDef::Reference { reference: &PVE_VMID},
+            "vmid" => Jss::Reference { reference: &PVE_VMID},
             "loop" => Integer!{
                 description => "Totally useless thing.",
                 optional => Some(false)