diff --git a/appveyor.yml b/appveyor.yml
index 46753b9be..7ec6d880b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,6 +4,7 @@ services:
   - mysql
 
 install:
+  - git submodule update --init --recursive
   - ps: Set-Service wuauserv -StartupType Manual
   - cinst haxe -y
   - cinst nssm -y
diff --git a/ci.hxml b/ci.hxml
index 42c091d47..56ba9f250 100644
--- a/ci.hxml
+++ b/ci.hxml
@@ -1,2 +1,4 @@
 -cp test
--x RunCi
+-main RunCi
+-neko bin/ci.n
+-cmd neko bin/ci.n
diff --git a/run.n b/run.n
index 3293c6fff..4e353fa89 100644
Binary files a/run.n and b/run.n differ
diff --git a/src/Package.hx b/src/Package.hx
index 3fdd2d190..5f2e442b7 100644
--- a/src/Package.hx
+++ b/src/Package.hx
@@ -15,7 +15,16 @@ class Package {
 
     static function main() {
         checkVersion();
+        switch Sys.systemName() {
+            case 'Windows':
+                zipWindows();
+            case _:
+                var exitCode = Sys.command('zip', ['-r', outPath, 'src/haxelib', 'haxelib.json', 'run.n', 'README.md']);
+                Sys.exit(exitCode);
+        }
+    }
 
+    static function zipWindows() {
         var entries = new List<Entry>();
 
         function add(path:String, ?target:String) {
diff --git a/src/haxelib/Data.hx b/src/haxelib/Data.hx
index ee922f61c..b5d696bb8 100644
--- a/src/haxelib/Data.hx
+++ b/src/haxelib/Data.hx
@@ -58,6 +58,22 @@ typedef ProjectInfos = {
 	var tags : List<String>;
 }
 
+@:enum abstract CheckLevel(Int) {
+	var NoCheck = 0;
+	var CheckSyntax = 1;
+	var CheckData = 2;
+
+	@:from static inline function fromBool(check:Bool):CheckLevel {
+		return check ? CheckData : NoCheck;
+	}
+
+	@:op(A > B) function gt(b:CheckLevel):Bool;
+	@:op(A >= B) function gte(b:CheckLevel):Bool;
+	@:op(A == B) function eq(b:CheckLevel):Bool;
+	@:op(A <= B) function lte(b:CheckLevel):Bool;
+	@:op(A < B) function lt(b:CheckLevel):Bool;
+}
+
 abstract DependencyVersion(String) to String from SemVer {
 	inline function new(s:String)
 		this = s;
@@ -298,7 +314,7 @@ class Data {
 		}
 
 
-	public static function readInfos( zip : List<Entry>, check : Bool ) : Infos
+	public static function readInfos( zip : List<Entry>, check : CheckLevel ) : Infos
 		return readData(Reader.unzip(getJson(zip)).toString(), check);
 
 	public static function checkClassPath( zip : List<Entry>, infos : Infos ) {
@@ -314,11 +330,11 @@ class Data {
 		}
 	}
 
-	public static function readData( jsondata: String, check : Bool ) : Infos {
+	public static function readData( jsondata: String, check : CheckLevel ) : Infos {
 		var doc:Infos =
 			try Json.parse(jsondata)
 			catch ( e : Dynamic )
-				if (check)
+				if (check >= CheckLevel.CheckSyntax)
 					throw 'JSON parse error: $e';
 				else {
 					name : ProjectName.DEFAULT,
@@ -330,7 +346,7 @@ class Data {
 					contributors: [],
 				}
 
-		if (check)
+		if (check >= CheckLevel.CheckData)
 			Validator.validate(doc);
 		else {
 			if (!doc.version.valid)
diff --git a/src/haxelib/client/Main.hx b/src/haxelib/client/Main.hx
index 997e33c25..09de2eb4b 100644
--- a/src/haxelib/client/Main.hx
+++ b/src/haxelib/client/Main.hx
@@ -1465,7 +1465,7 @@ class Main {
 				throw "Library "+prj+" has two versions included : "+version+" and "+p.version;
 			}
 		var json = try File.getContent(vdir+"/"+Data.JSON) catch( e : Dynamic ) null;
-		var inf = Data.readData(json, json != null);
+		var inf = Data.readData(json, json != null ? CheckSyntax : NoCheck);
 		l.add({ project : prj, version : version, dir : Path.addTrailingSlash(vdir), info: inf });
 		if( returnDependencies ) {
 			for( d in inf.dependencies )
diff --git a/test/Prepare.hx b/test/Prepare.hx
index cc12b5bae..f54278821 100644
--- a/test/Prepare.hx
+++ b/test/Prepare.hx
@@ -1,7 +1,6 @@
 import sys.*;
 import sys.io.*;
 import haxe.io.*;
-using StringTools;
 
 class Prepare {
 	static function zipDir(dir:String, outPath:String):Void {
@@ -38,6 +37,8 @@ class Prepare {
 	}
 
 	static function main():Void {
+		var system = Sys.systemName();
+		var cwd = Sys.getCwd();
 		/*
 			(re)package the dummy libraries
 		*/
@@ -45,8 +46,17 @@ class Prepare {
 		for (item in FileSystem.readDirectory(libsPath)) {
 			var path = Path.join([libsPath, item]);
 			if (FileSystem.isDirectory(path)) {
-				trace('Preparing $item');
-				zipDir(path, 'test/libraries/${item}.zip');
+				switch system {
+					case 'Windows':
+						zipDir(path, 'test/libraries/${item}.zip');
+					case _:
+						Sys.setCwd(path);
+						var exitCode = Sys.command('zip', ['-r', '../${item}.zip', '.']);
+						Sys.setCwd(cwd);
+						if(exitCode != 0) {
+							Sys.stderr().writeString('Failed to zip $item\n');
+						}
+				}
 			}
 		}
 	}
diff --git a/test/RunCi.hx b/test/RunCi.hx
index 078381638..5245aba70 100644
--- a/test/RunCi.hx
+++ b/test/RunCi.hx
@@ -198,6 +198,7 @@ Listen 2000
 				return;
 			} catch (e:Dynamic) {
 				trace(e);
+				trace(CallStack.toString(CallStack.exceptionStack()));
 				Sys.sleep(5.0);
 			}
 			throw "cannot config database";