diff --git a/source/dub/dub.d b/source/dub/dub.d
index 436f604..cbe70ca 100644
--- a/source/dub/dub.d
+++ b/source/dub/dub.d
@@ -106,7 +106,7 @@
 		ps ~= defaultPackageSuppliers();
 
 		m_packageSuppliers = ps;
-		m_packageManager = new PackageManager(m_userDubPath, m_systemDubPath, false);
+		m_packageManager = new PackageManager(m_userDubPath, m_systemDubPath);
 		updatePackageSearchPath();
 	}
 
diff --git a/source/dub/package_.d b/source/dub/package_.d
index 22044bd..c6b4559 100644
--- a/source/dub/package_.d
+++ b/source/dub/package_.d
@@ -80,6 +80,7 @@
 	{
 		m_parentPackage = parent;
 		m_path = root;
+		m_path.endsWithSlash = true;
 
 		// force the package name to be lower case
 		packageInfo.name = packageInfo.name.get!string.toLower();
@@ -427,7 +428,8 @@
 	private void simpleLint() const {
 		if (m_parentPackage) {
 			if (m_parentPackage.path != path) {
-				if (info.license != m_parentPackage.info.license) logWarn("License in subpackage %s is different than it's parent package, this is discouraged.", name);
+				if (info.license.length && info.license != m_parentPackage.info.license)
+					logWarn("License in subpackage %s is different than it's parent package, this is discouraged.", name);
 			}
 		}
 		if (name.empty()) logWarn("The package in %s has no name.", path);
@@ -481,7 +483,7 @@
 				case "authors": this.authors = deserializeJson!(string[])(value); break;
 				case "copyright": this.copyright = value.get!string; break;
 				case "license": this.license = value.get!string; break;
-				case "subPackages": subPackages = value;
+				case "subPackages": subPackages = value; break;
 				case "configurations": break; // handled below, after the global settings have been parsed
 				case "buildTypes":
 					foreach (string name, settings; value) {
diff --git a/source/dub/packagemanager.d b/source/dub/packagemanager.d
index d69eb35..c6c8212 100644
--- a/source/dub/packagemanager.d
+++ b/source/dub/packagemanager.d
@@ -44,10 +44,20 @@
 		if (refresh_packages) refresh(true);
 	}
 
-	@property void searchPath(Path[] paths) { m_searchPath = paths.dup; refresh(false); }
+	@property void searchPath(Path[] paths)
+	{
+		if (paths == m_searchPath) return;
+		m_searchPath = paths.dup;
+		refresh(false);
+	}
 	@property const(Path)[] searchPath() const { return m_searchPath; }
 
-	@property void disableDefaultSearchPaths(bool val) { m_disableDefaultSearchPaths = val; refresh(true); }
+	@property void disableDefaultSearchPaths(bool val)
+	{
+		if (val == m_disableDefaultSearchPaths) return;
+		m_disableDefaultSearchPaths = val;
+		refresh(true);
+	}
 
 	@property const(Path)[] completeSearchPath()
 	const {
@@ -444,8 +454,9 @@
 		logInfo("Removed package: '"~pack.name~"'");
 	}
 
-	Package addLocalPackage(in Path path, string verName, LocalPackageType type)
+	Package addLocalPackage(Path path, string verName, LocalPackageType type)
 	{
+		path.endsWithSlash = true;
 		auto pack = new Package(path);
 		enforce(pack.name.length, "The package has no name, defined in: " ~ path.toString());
 		if (verName.length)
@@ -538,6 +549,8 @@
 
 	void refresh(bool refresh_existing_packages)
 	{
+		logDiagnostic("Refreshing local packages (refresh existing: %s)...", refresh_existing_packages);
+
 		// load locally defined packages
 		void scanLocalPackages(LocalPackageType type)
 		{