diff --git a/CHANGELOG.md b/CHANGELOG.md
index a00c4ff..376c693 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security
 
+## [2.0.1] - 2021-03-11
+### Changed
+- [2021-05-21] Update metrics and fix cache directory leak [@carbotaniuman].
+- [2021-05-21] Change headers to be wildcards [@carbotaniuman].
+
 ## [2.0.0] - 2021-03-11
 ### Changed
 - [2021-03-11] Switch back to HTTP/1.1 [@carbotaniuman].
diff --git a/src/main/kotlin/mdnet/Constants.kt b/src/main/kotlin/mdnet/Constants.kt
index 92587fc..e1a4c25 100644
--- a/src/main/kotlin/mdnet/Constants.kt
+++ b/src/main/kotlin/mdnet/Constants.kt
@@ -21,7 +21,7 @@ package mdnet
 import java.time.Duration
 
 object Constants {
-    const val CLIENT_BUILD = 30
+    const val CLIENT_BUILD = 31
 
     @JvmField val MAX_AGE_CACHE: Duration = Duration.ofDays(14)
 
diff --git a/src/main/kotlin/mdnet/Main.kt b/src/main/kotlin/mdnet/Main.kt
index ee2b884..f15090e 100644
--- a/src/main/kotlin/mdnet/Main.kt
+++ b/src/main/kotlin/mdnet/Main.kt
@@ -67,26 +67,8 @@ class Main : Runnable {
             """.trimIndent()
         )
 
-        if (!Files.isDirectory(databaseFolder) || Files.isRegularFile(databaseFolder.resolveSibling(databaseFolder.fileName.toString() + ".mv.db"))) {
-            println()
-            println()
-            println(
-                """the --database option now takes in the folder with the database file!
-                |(it previously took in the path to the file without any extensions)
-                |if you are using docker update your docker mount settings!
-                |if you are not, manually move update your --database args!
-                |note: the database file itself should be named metadata.{extension}
-                |where {extension} can be `.db` or `.mv.db`
-                |
-                |If this is your first time seeing this message, please check out the support
-                |channel as things HAVE changed. Failure to do so WILL require
-                |a cache wipe.
-            """.trimMargin()
-            )
-            println()
-            println()
-
-            throw IllegalArgumentException()
+        if (!Files.isDirectory(databaseFolder)) {
+            throw IllegalArgumentException("Expected $databaseFolder to be a folder, was a file")
         }
 
         if (Files.isRegularFile(databaseFolder)) {
diff --git a/src/main/kotlin/mdnet/server/ImageHandler.kt b/src/main/kotlin/mdnet/server/ImageHandler.kt
index 5c922f4..ec45fa1 100644
--- a/src/main/kotlin/mdnet/server/ImageHandler.kt
+++ b/src/main/kotlin/mdnet/server/ImageHandler.kt
@@ -181,10 +181,10 @@ class ImageServer(
                 .then { next: HttpHandler ->
                     { request: Request ->
                         val response = next(request)
-                        response.header("access-control-allow-origin", "https://mangadex.org")
+                        response.header("access-control-allow-origin", "*")
                             .header("access-control-expose-headers", "*")
                             .header("access-control-allow-methods", "GET")
-                            .header("timing-allow-origin", "https://mangadex.org")
+                            .header("timing-allow-origin", "*")
                     }
                 }
     }
diff --git a/src/main/kotlin/mdnet/server/crypto.kt b/src/main/kotlin/mdnet/server/crypto.kt
index 04bb9f4..9f8e5ec 100644
--- a/src/main/kotlin/mdnet/server/crypto.kt
+++ b/src/main/kotlin/mdnet/server/crypto.kt
@@ -20,7 +20,7 @@ package mdnet.server
 
 import java.security.MessageDigest
 
-fun md5Bytes(stringToHash: String) =
+fun md5Bytes(stringToHash: String): ByteArray =
     MessageDigest.getInstance("MD5")
         .digest(stringToHash.toByteArray())