diff --git a/.vscode/settings.json b/.vscode/settings.json
index 3a700b20..5f8fe263 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,3 +1,4 @@
 {
-    "cmake.configureOnOpen": true
+    "cmake.configureOnOpen": true,
+    "files.eol": "\n"
 }
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2dd9dd63..10dd5f17 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,13 +30,13 @@ if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     ########################
 
     # Add back: fsanitize=leak
-    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}  -fasynchronous-unwind-tables -ggdb3 -Wall  -fsanitize=leak -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer")
+    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}  -fasynchronous-unwind-tables -ggdb3 -Wall  -fsanitize=leak -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer -flto=auto")
     set(CMAKE_LINKER_FLAGS_DEBUG "${CMAKE_LINKER_FLAGS_DEBUG} -fsanitize=leak -fsanitize=address -fsanitize=undefined -no-pie -Wall -fno-omit-frame-pointer")
 
     ########################
     # RELEASE              #
     ########################
-    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fPIE -D_FORTIFY_SOURCE=2 -fexceptions -Wall -O2 -flto -funroll-loops")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fPIE -D_FORTIFY_SOURCE=2 -fexceptions -Wall -O2 -flto=auto -funroll-loops")
     set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_LINKER_FLAGS_RELEASE} -fPIE  -s")
     # -static -static-libgcc -static-libstdc++
 elseif(MSVC)
diff --git a/README.md b/README.md
index de08fcf1..d5a4add9 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,8 @@
 
 # Fan
 
-Fan is a dynamically-typed programmign language based on
-[Wren](https://wren.io). Fan's aim is to be _statically compilable_, portable,
+Fan is a dynamically-typed programming language. It is based on
+[Wren](https://wren.io), but features significant customizations to its runtime. Fan's aim is to be _statically compilable_, portable,
 and come with batteries-included.
 
 ```sh
diff --git a/fan.sh b/fan.sh
index 90698010..7e34507b 100755
--- a/fan.sh
+++ b/fan.sh
@@ -1,3 +1,14 @@
 #!/usr/bin/env bash
 
-FAN_LIB=./lang build/debug/fan "$@"
+
+# Check for the existence of the fan executable in different directories
+if [[ -x "./build/debug/fan" ]]; then
+    FAN_EXEC="./build/debug/fan"
+elif [[ -x "./build/release/fan" ]]; then
+    FAN_EXEC="./build/release/fan"
+else
+    FAN_EXEC="./build/fan"
+fi
+
+# Execute the fan command with the given arguments
+FAN_LIB=./lang $FAN_EXEC "$@"
\ No newline at end of file
diff --git a/include/lib.hpp b/include/lib.hpp
index f50078ab..192bc747 100644
--- a/include/lib.hpp
+++ b/include/lib.hpp
@@ -271,4 +271,6 @@ namespace encoding {
 	void md_to_html(WrenVM* vm);
 }
 
+
+
 }  // namespace lib
diff --git a/tests/encoding.fan b/tests/encoding.fan
deleted file mode 100644
index 2ae73ab4..00000000
--- a/tests/encoding.fan
+++ /dev/null
@@ -1,7 +0,0 @@
-import "std/encoding" for Base64
-
-var value = Base64.encode("abcdefg")
-System.print("Encode %(value)")
-
-var decode = Base64.decode(value)
-System.print("Decode %(decode)")
\ No newline at end of file
diff --git a/tests/env.fan b/tests/env.fan
deleted file mode 100644
index 10fdabad..00000000
--- a/tests/env.fan
+++ /dev/null
@@ -1,55 +0,0 @@
-
-// System.print("std/fs Dir test")
-// import "std/fs" for Dir
-
-// var dir = Dir.cwd()
-// System.print(Dir.cwd())
-
-System.print("std/os  test")
-import "std/os" for Env, Process, Runtime
-
-// var home = Env.get("HOME")
-// if (home != null) {
-//     System.print(home)
-// } else {
-//     System.print("Null")
-// }
-
-// System.print("Setting ENV TEST:")
-// Env.set("TEST", "YES")
-// System.print("Getting ENV TEST:")
-// System.print(Env.get("TEST"))
-// System.print("Unsetting ENV TEST:")
-// Env.set("TEST", null)
-// System.print("Getting ENV TEST (after unset)")
-// var test = Env.get("TEST")
-
-// if (test == null) {
-//     System.print("Value TEST: %(test). (Should be null)")
-// }
-
-// System.print("Testing postfix and Prefix\nSetting TEST to 1")
-// var testFail = Fiber.new {
-//     Env.set("TEST", 1)
-// }
-// var error = testFail.try()
-// System.print("This was meant to fail: %(error)")
-
-// Env["TEST"] = "true"
-
-// System.print("%(Env["TEST"]) == true")
-// // .env file support
-// System.print("loadDotEnv test")
-// Env.loadDotEnv("./tests/.env")
-// if (Env.get("DOTENV") != null) {
-//     System.print("success")
-// } else {
-//     System.print("fail")
-// }
-System.print("-------------------------------------------")
-System.print("Logging process args: %(Process.args.count)")
-System.print("%(Runtime.os): %(Runtime.arch)")
-
-for (arg in Process.args) {
-    System.print(arg)
-}
diff --git a/tests/fmt.fan b/tests/fmt.fan
deleted file mode 100644
index 2e56adf8..00000000
--- a/tests/fmt.fan
+++ /dev/null
@@ -1,7 +0,0 @@
-import "std/fmt" for Fmt, Color
-
-var test = "apple"
-
-
-var result = Fmt.reverse(test)
-System.print("%(Color.green())%(result)%(Color.reset())")
\ No newline at end of file
diff --git a/tests/fs_cwd.fan b/tests/fs_cwd.fan
deleted file mode 100644
index 87dc7547..00000000
--- a/tests/fs_cwd.fan
+++ /dev/null
@@ -1,5 +0,0 @@
-import "std/fs" for File
-
-var file = File.open("fan.sh", "r+")
-System.print(file.read())
-file.close()
\ No newline at end of file
diff --git a/tests/fs_test.fan b/tests/fs_test.fan
deleted file mode 100644
index 12609f8f..00000000
--- a/tests/fs_test.fan
+++ /dev/null
@@ -1,8 +0,0 @@
-// import "std/fs" for File
-
-// var file = File.open("fan.sh", "r+")
-// System.print(file.read())
-// file.close()
-
-import "std/fs" for Fs
-
diff --git a/tests/http_test.fan b/tests/http_test.fan
deleted file mode 100644
index 4079421c..00000000
--- a/tests/http_test.fan
+++ /dev/null
@@ -1,5 +0,0 @@
-import "std/net/http" for Request
-
-var client = Request.new("https://example.com")
-var body = client.send()
-System.write(body)
diff --git a/tests/md_test.fan b/tests/md_test.fan
deleted file mode 100644
index 7c11358f..00000000
--- a/tests/md_test.fan
+++ /dev/null
@@ -1,7 +0,0 @@
-import "std/encoding" for Markdown
-var testDoc = "This is a test *comment*.
-This is an **emboldened** comment."
-
-var text = Markdown.toHTML(testDoc)
-System.print(text)
-
diff --git a/tests/open_file.fan b/tests/open_file.fan
deleted file mode 100644
index 4914a130..00000000
--- a/tests/open_file.fan
+++ /dev/null
@@ -1,5 +0,0 @@
-import "std/fs" for File
-
-var file = File.open("void.sh", "r+")
-System.print(file.read())
-file.close()
\ No newline at end of file
diff --git a/tests/proc.fan b/tests/proc.fan
deleted file mode 100644
index 1aad9f06..00000000
--- a/tests/proc.fan
+++ /dev/null
@@ -1,6 +0,0 @@
-import "std/os" for Process
-
-System.print("Process test:")
-var result = Process.exec("date", ["+\%Y-\%m-\%d"])
-System.print("The current date is: %(result)")
-System.print(Process.args)
\ No newline at end of file
diff --git a/tests/recursive_cb.fan b/tests/recursive_cb.fan
deleted file mode 100644
index 216bd8aa..00000000
--- a/tests/recursive_cb.fan
+++ /dev/null
@@ -1,33 +0,0 @@
-import "std/fs" for Fs, Path
-import "std/os" for Process
-
-var args = Process.args()
-var cwd = Fs.cwd()
-
-var bundler = Fiber.new {
-    var target = Path.from(args[0])
-    if (target.isDirectory()) {
-        var all = Fs.listAll(target.toString())
-        for (file in all) {
-            var stat = Path.from(file)
-            if (stat.isDirectory()) {
-                continue
-            }
-
-            var buffer = Process.exec("zip", "-r - %(file)")
-            Fs.remove(file)
-            if (Fs.write(stat.join([args[1], file.split(Path.seperator())[-1]])) == null) {
-                System.print("This buffer wasn't saved")
-            }
-
-        }
-    } else {
-        System.print("This isn't a directory")
-        Process.exit(1)
-    }
-}
-
-var err = bundler.try()
-if (err != null) {
-    System.print(err)
-}
diff --git a/tests/std/env_tests b/tests/std/env_tests
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/std/markdown.fan b/tests/std/markdown.fan
new file mode 100644
index 00000000..b5da350e
--- /dev/null
+++ b/tests/std/markdown.fan
@@ -0,0 +1,16 @@
+import "std/encoding" for Markdown
+import "std/fs" for Fs, Path
+
+var files = Fs.listAllRecursive(Fs.cwd())
+
+// List of markdown files in the directory
+var mdFiles = []
+
+for (i in files) {
+    if (Path.ext(i) == "md") {
+        System.print(i)
+        mdFiles.add(i)
+    }
+}
+
+System.print(mdFiles.count)
diff --git a/valgrind.sh b/valgrind.sh
index e6c3b149..d81d2271 100755
--- a/valgrind.sh
+++ b/valgrind.sh
@@ -1,9 +1,18 @@
 #!/usr/bin/env bash
 
+# Check for the existence of the fan executable in different directories
+if [[ -x "./build/debug/fan" ]]; then
+    FAN_EXEC="./build/debug/fan"
+elif [[ -x "./build/release/fan" ]]; then
+    FAN_EXEC="./build/release/fan"
+else
+    FAN_EXEC="./build/fan"
+fi
+
 FAN_LIB=./lang valgrind --leak-check=full \
          --show-leak-kinds=all \
          --track-origins=yes \
          --verbose \
          --leak-check=full \
          --log-file=build/valgrind-out.txt \
-         ./build/fan $@
+         $(FAN_EXEC) $@