diff --git a/Makefile b/Makefile
index 46ff75d..4a16777 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 # Rust-Empty: An Makefile to get started with Rust
 # https://github.com/bvssvni/rust-empty
-#
+# 
 # The MIT License (MIT)
 #
 # Copyright (c) 2014 Sven Nilsen
@@ -25,8 +25,8 @@
 SHELL := /bin/bash
 
 # The default make command.
-# Change this to 'make lib' if you are building a library.
-DEFAULT = make exe
+# Change this to 'lib' if you are building a library.
+DEFAULT = exe
 
 EXAMPLE_FILES = examples/*.rs
 SOURCE_FILES = $(shell test -e src/ && find src -type f)
@@ -56,12 +56,16 @@ RLIB = target/$(TARGET)/lib/$(RLIB_FILE)
 DYLIB_FILE = $(shell (rustc --crate-type=dylib --crate-file-name "src/lib.rs" 2> /dev/null) || (echo "dummy.dylib"))
 DYLIB = target/$(TARGET)/lib/$(DYLIB_FILE)
 
-all:
-	$(DEFAULT)
+ifdef VERBOSE
+  Q :=
+else
+  Q := @
+endif
+
+all: $(DEFAULT)
 
 help:
-	clear \
-	&& echo "--- rust-empty (0.3 005)" \
+	$(Q)echo "--- rust-empty (0.3 005)" \
 	&& echo "make run               - Runs executable" \
 	&& echo "make exe               - Builds main executable" \
 	&& echo "make lib               - Both static and dynamic library" \
@@ -115,8 +119,7 @@ help:
 		test-external
 
 nightly-install:
-	clear \
-	&& cd ~ \
+	$(Q)cd ~ \
 	&& curl -s http://www.rust-lang.org/rustup.sh > rustup.sh \
 	&& ( \
 		echo "Rust install-script stored as '~/rustup.sh'" ; \
@@ -129,8 +132,7 @@ nightly-install:
 	)
 
 nightly-uninstall:
-	clear \
-	&& cd ~ \
+	$(Q)cd ~ \
 	&& curl -s http://www.rust-lang.org/rustup.sh > rustup.sh \
 	&& ( \
 		echo "Rust install-script stored as '~/rustup.sh'" ; \
@@ -143,37 +145,32 @@ nightly-uninstall:
 	)
 
 cargo-lite-exe: src/main.rs
-	( \
+	$(Q)( \
 		test -e cargo-lite.conf \
-		&& clear \
 		&& echo "--- The file 'cargo-lite.conf' already exists" \
 	) \
 	|| \
 	( \
 		echo -e "deps = [\n]\n\n[build]\ncrate_root = \"src/main.rs\"\nrustc_args = []\n" > cargo-lite.conf \
-		&& clear \
 		&& echo "--- Created 'cargo-lite.conf' for executable" \
 		&& cat cargo-lite.conf \
 	)
 
 cargo-lite-lib: src/lib.rs
-	( \
+	$(Q)( \
 		test -e cargo-lite.conf \
-		&& clear \
 		&& echo "--- The file 'cargo-lite.conf' already exists" \
 	) \
 	|| \
 	( \
 		echo -e "deps = [\n]\n\n[build]\ncrate_root = \"src/lib.rs\"\ncrate_type = \"library\"\nrustc_args = []\n" > cargo-lite.conf \
-		&& clear \
 		&& echo "--- Created 'cargo-lite.conf' for library" \
 		&& cat cargo-lite.conf \
 	)
 
 cargo-exe: src/main.rs
-	( \
+	$(Q)( \
 		test -e Cargo.toml \
-		&& clear \
 		&& echo "--- The file 'Cargo.toml' already exists" \
 	) \
 	|| \
@@ -181,15 +178,13 @@ cargo-exe: src/main.rs
 		name=$${PWD##/*/} ; \
 		readme=$$((test -e README.md && echo -e "readme = \"README.md\"") || ("")) ; \
 		echo -e "[project]\n\nname = \"$$name\"\nversion = \"0.0\"\n$$readme\nauthors = [\"Your Name <your@email.com>\"]\ntags = []\n\n[[bin]]\n\nname = \"$$name\"\npath = \"bin/main.rs\"\n" > Cargo.toml \
-		&& clear \
 		&& echo "--- Created 'Cargo.toml' for executable" \
 		&& cat Cargo.toml \
 	)
 
 cargo-lib: src/main.rs
-	( \
+	$(Q)( \
 		test -e Cargo.toml \
-		&& clear \
 		&& echo "--- The file 'Cargo.toml' already exists" \
 	) \
 	|| \
@@ -197,147 +192,121 @@ cargo-lib: src/main.rs
 		name=$${PWD##/*/} ; \
 		readme=$$((test -e README.md && echo -e "readme = \"README.md\"") || ("")) ; \
 		echo -e "[project]\n\nname = \"$$name\"\nversion = \"0.0\"\n$$readme\nauthors = [\"Your Name <your@email.com>\"]\ntags = []\n\n[[lib]]\n\nname = \"$$name\"\npath = \"bin/lib.rs\"\n" > Cargo.toml \
-		&& clear \
 		&& echo "--- Created 'Cargo.toml' for executable" \
 		&& cat Cargo.toml \
 	)
 
 rust-ci-lib: src/lib.rs
-	( \
+	$(Q)( \
 		test -e .travis.yml \
-		&& clear \
 		&& echo "--- The file '.travis.yml' already exists" \
 	) \
 	|| \
 	( \
 		echo -e "before_install:\n\t- yes | sudo add-apt-repository ppa:hansjorg/rust\n\t- sudo apt-get update\ninstall:\n\t- sudo apt-get install rust-nightly\nscript:\n\t- make lib\n" > .travis.yml \
-		&& clear \
 		&& echo "--- Created '.travis.yml' for library" \
 		&& cat .travis.yml \
 	)
 
 rust-ci-exe: src/main.rs
-	( \
+	$(Q)( \
 		test -e .travis.yml \
-		&& clear \
 		&& echo "--- The file '.travis.yml' already exists" \
 	) \
 	|| \
 	( \
 		echo -e "before_install:\n\t- yes | sudo add-apt-repository ppa:hansjorg/rust\n\t- sudo apt-get update\ninstall:\n\t- sudo apt-get install rust-nightly\nscript:\n\t- make exe\n" > .travis.yml \
-		&& clear \
 		&& echo "--- Created '.travis.yml' for executable" \
 		&& cat .travis.yml \
 	)
 
 doc: $(SOURCE_FILES) | src/
-	clear \
-	&& $(RUSTDOC) src/lib.rs -L "target/$(TARGET)/lib" \
-	&& clear \
+	$(Q)$(RUSTDOC) src/lib.rs -L "target/$(TARGET)/lib" \
 	&& echo "--- Built documentation"
 
 run: exe
-	clear \
-	&& cd bin/ \
+	$(Q)cd bin/ \
 	&& ./main
 
 exe: bin/main | $(TARGET_LIB_DIR)
 
 bin/main: $(SOURCE_FILES) | bin/ src/main.rs
-	clear \
-	&& $(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) src/main.rs -o bin/main -L "target/$(TARGET)/lib" \
+	$(Q)$(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) src/main.rs -o bin/main -L "target/$(TARGET)/lib" \
 	&& echo "--- Built executable" \
 	&& echo "--- Type 'make run' to run executable"
 
 test: test-internal test-external
-	clear \
-	&& echo "--- Internal tests succeeded" \
+	$(Q)echo "--- Internal tests succeeded" \
 	&& echo "--- External tests succeeded"
 
 test-external: bin/test-external
-	cd "bin/" \
+	$(Q)cd "bin/" \
 	&& ./test-external
 
 bin/test-external: $(SOURCE_FILES) | rlib bin/ src/test.rs
-	clear \
-	&& $(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) --test src/test.rs -o bin/test-external -L "target/$(TARGET)/lib" \
+	$(Q)$(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) --test src/test.rs -o bin/test-external -L "target/$(TARGET)/lib" \
 	&& echo "--- Built external test runner"
 
 test-internal: bin/test-internal
-	cd "bin/" \
+	$(Q)cd "bin/" \
 	&& ./test-internal
 
 bin/test-internal: $(SOURCE_FILES) | rlib src/ bin/
-	clear \
-	&& $(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) --test src/lib.rs -o bin/test-internal -L "target/$(TARGET)/lib" \
+	$(Q)$(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) --test src/lib.rs -o bin/test-internal -L "target/$(TARGET)/lib" \
 	&& echo "--- Built internal test runner"
 
 bench: bench-internal bench-external
 
 bench-external: test-external
-	clear \
-	&& bin/test-external --bench
+	$(Q)bin/test-external --bench
 
 bench-internal: test-internal
-	clear \
-	&& bin/test-internal --bench
+	$(Q)bin/test-internal --bench
 
 lib: rlib dylib
-	clear \
-	&& echo "--- Built rlib" \
-	&& echo "--- Built dylib" \
-	&& echo "--- Type 'make test' to test library"
+	$(Q)echo "--- Type 'make test' to test library"
 
 rlib: $(RLIB)
 
 $(RLIB): $(SOURCE_FILES) | src/lib.rs $(TARGET_LIB_DIR)
-	clear \
-	&& $(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) --crate-type=rlib src/lib.rs -L "target/$(TARGET)/lib" --out-dir "target/$(TARGET)/lib/" \
-	&& clear \
-	&& echo "--- Built rlib" \
-	&& echo "--- Type 'make test' to test library"
+	$(Q)$(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) --crate-type=rlib src/lib.rs -L "target/$(TARGET)/lib" --out-dir "target/$(TARGET)/lib/" \
+	&& echo "--- Built rlib"
 
 dylib: $(DYLIB)
 
 $(DYLIB): $(SOURCE_FILES) | src/lib.rs $(TARGET_LIB_DIR)
-	clear \
-	&& $(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) --crate-type=dylib src/lib.rs -L "target/$(TARGET)/lib" --out-dir "target/$(TARGET)/lib/" \
-	&& clear \
-	&& echo "--- Built dylib" \
-	&& echo "--- Type 'make test' to test library"
+	$(Q)$(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) --crate-type=dylib src/lib.rs -L "target/$(TARGET)/lib" --out-dir "target/$(TARGET)/lib/" \
+	&& echo "--- Built dylib"
 
 bin:
-	mkdir -p bin
+	$(Q)mkdir -p bin
 
 $(TARGET_LIB_DIR):
-	mkdir -p $(TARGET_LIB_DIR)
+	$(Q)mkdir -p $(TARGET_LIB_DIR)
 
 src:
-	mkdir -p src
+	$(Q)mkdir -p src
 
 examples-dir:
-	test -e examples \
+	$(Q)test -e examples \
 	|| \
 	( \
 		mkdir examples \
 		&& echo -e "fn main() {\n\tprintln!(\"Hello!\");\n}\n" > examples/hello.rs \
-		&& clear \
 		&& echo "--- Created examples folder" \
 	)
 
 rust-dir:
-	mkdir -p .rust
+	$(Q)mkdir -p .rust
 
 git-ignore:
-	( \
+	$(Q)( \
 		test -e .gitignore \
-		&& clear \
 		&& echo "--- The file '.gitignore' already exists" \
 	) \
 	|| \
 	( \
 		echo -e ".DS_Store\n*~\n*#\n*.o\n*.so\n*.swp\n*.dylib\n*.dSYM\n*.dll\n*.rlib\n*.dummy\n*.exe\n*-test\n/bin/main\n/bin/test-internal\n/bin/test-external\n/doc/\n/target/\n/build/\n/.rust/\nrusti.sh\n" > .gitignore \
-		&& clear \
 		&& echo "--- Created '.gitignore' for git" \
 		&& cat .gitignore \
 	)
@@ -345,88 +314,130 @@ git-ignore:
 examples: $(EXAMPLE_FILES)
 
 $(EXAMPLE_FILES): lib examples-dir
-	$(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) $@ -L "target/$(TARGET)/lib" --out-dir examples/ \
-	&& clear \
+	$(Q)$(COMPILER) --target "$(TARGET)" $(COMPILER_FLAGS) $@ -L "target/$(TARGET)/lib" --out-dir examples/ \
 	&& echo "--- Built examples"
 
 src/main.rs: | src/
-	test -e src/main.rs \
+	$(Q)test -e src/main.rs \
 	|| \
 	( \
 		echo -e "fn main() {\n\tprintln!(\"Hello world!\");\n}" > src/main.rs \
 	)
 
 src/test.rs: | src/
-	test -e src/test.rs \
+	$(Q)test -e src/test.rs \
 	|| \
 	( \
 		touch src/test.rs \
 	)
 
 src/lib.rs: | src/
-	test -e src/lib.rs \
+	$(Q)test -e src/lib.rs \
 	|| \
 	( \
 		echo -e "#![crate_id = \"\"]\n#![deny(missing_doc)]\n\n//! Documentation goes here.\n" > src/lib.rs \
 	)
 
 clean:
-	rm -f "$(RLIB)"
-	rm -f "$(DYLIB)"
-	rm -rf "doc/"
-	rm -f "bin/main"
-	rm -f "bin/test-internal"
-	rm -f "bin/test-external"
-	clear \
-	&& echo "--- Deleted binaries and documentation"
+	$(Q)rm -f "$(RLIB)"
+	$(Q)rm -f "$(DYLIB)"
+	$(Q)rm -rf "doc/"
+	$(Q)rm -f "bin/main"
+	$(Q)rm -f "bin/test-internal"
+	$(Q)rm -f "bin/test-external"
+	$(Q)echo "--- Deleted binaries and documentation"
 
 clear-project:
-	rm -f ".symlink-info"
-	rm -f "cargo-lite.conf"
-	rm -f ".travis.yml"
-	rm -f "rusti.sh"
-	rm -rf "target/"
-	rm -rf "src/"
-	rm -rf "bin/"
-	rm -rf "examples/"
-	rm -rf "doc/"
-	clear \
-	&& echo "--- Removed all source files, binaries and documentation" \
+	$(Q)rm -f ".symlink-info"
+	$(Q)rm -f "cargo-lite.conf"
+	$(Q)rm -f ".travis.yml"
+	$(Q)rm -f "rusti.sh"
+	$(Q)rm -rf "target/"
+	$(Q)rm -rf "src/"
+	$(Q)rm -rf "bin/"
+	$(Q)rm -rf "examples/"
+	$(Q)rm -rf "doc/"
+	$(Q)echo "--- Removed all source files, binaries and documentation" \
 	&& echo "--- Content in project folder" \
 	&& ls -a
 
 clear-git:
-	rm -f ".gitignore"
-	rm -rf ".git"
-	clear \
-	&& echo "--- Removed Git" \
+	$(Q)rm -f ".gitignore"
+	$(Q)rm -rf ".git"
+	$(Q)echo "--- Removed Git" \
 	&& echo "--- Content in project folder" \
 	&& ls -a
 
+# borrowed from http://stackoverflow.com/q/649246/1256624
+define RUSTI_SCRIPT
+#!/bin/bash
+
+#written by mcpherrin
+
+while true; do
+  echo -n "> "
+  read line
+  TMP="`mktemp r.XXXXXX`"
+  $(COMPILER) - -o $$TMP -L "target/$(TARGET)/lib/" <<EOF
+  #![feature(globs, macro_rules, phase, struct_variant)]
+  extern crate arena;
+  extern crate collections;
+  extern crate flate;
+  #[phase(syntax)] extern crate fourcc;
+  extern crate glob;
+  extern crate green;
+  extern crate hexfloat;
+  extern crate libc;
+  #[phase(syntax, link)] extern crate log;
+  extern crate native;
+  extern crate num;
+  extern crate rand;
+  extern crate rustc;
+  extern crate rustdoc;
+  extern crate rustuv;
+  extern crate semver;
+  extern crate serialize;
+  extern crate sync;
+  extern crate syntax;
+  extern crate term;
+  extern crate test;
+  extern crate time;
+  extern crate url;
+  extern crate uuid;
+  extern crate workcache;
+
+  fn main() {
+      let r = { $$line };
+      println!("{:?}", r);
+  }
+EOF
+  ./$$TMP
+  rm $$TMP
+done
+endef
+export RUSTI_SCRIPT
+
 rusti: $(TARGET_LIB_DIR)
-	( \
+	$(Q)( \
 		test -e rusti.sh \
-		&& clear \
 		&& echo "--- The file 'rusti.sh' already exists" \
 	) \
 	|| \
 	( \
-		echo -e "#!/bin/bash\n\n#written by mcpherrin\n\nwhile true; do\n  echo -n \"> \"\n  read line\n  TMP=\"`mktemp r.XXXXXX`\"\n  $(COMPILER) - -o \$$TMP -L "target/$(TARGET)/lib/" <<EOF\n  #![feature(globs, macro_rules, phase, struct_variant)]\n  extern crate arena;\n  extern crate collections;\n  extern crate flate;\n  #[phase(syntax)] extern crate fourcc;\n  extern crate glob;\n  extern crate green;\n  extern crate hexfloat;\n  extern crate libc;\n  #[phase(syntax, link)] extern crate log;\n  extern crate native;\n  extern crate num;\n  extern crate rand;\n  extern crate rustc;\n  extern crate rustdoc;\n  extern crate rustuv;\n  extern crate semver;\n  extern crate serialize;\n  extern crate sync;\n  extern crate syntax;\n  extern crate term;\n  extern crate test;\n  extern crate time;\n  extern crate url;\n  extern crate uuid;\n  extern crate workcache;\n\n  fn main() {\n      let r = { \$$line };\n      println!(\"{:?}\", r);\n  }\nEOF\n  ./\$$TMP\n  rm \$$TMP\ndone" > rusti.sh \
+		echo -e "$$RUSTI_SCRIPT" > rusti.sh \
 		&& chmod +x rusti.sh \
-		&& clear \
 		&& echo "--- Created 'rusti.sh'" \
 		&& echo "--- Type './rusti.sh' to start interactive Rust" \
 	)
 
 loc:
-	clear \
-	&& echo "--- Counting lines of .rs files in 'src' (LOC):" \
+	$(Q)echo "--- Counting lines of .rs files in 'src' (LOC):" \
 	&& find src/ -type f -name "*.rs" -exec cat {} \; | wc -l
 
 # Finds the original locations of symlinked libraries and
 # prints the commit hash with remote branches containing that commit.
 symlink-info:
-	current=$$(pwd) ; \
+	$(Q)	current=$$(pwd) ; \
 	for symlib in $$(find target/*/lib -type l) ; do \
 		cd $$current ; \
 		echo $$symlib ; \
@@ -441,8 +452,5 @@ symlink-info:
 	done \
 	> .symlink-info \
 	&& cd $$current \
-	&& clear \
 	&& echo "--- Created '.symlink-info'" \
 	&& cat .symlink-info
-
-
diff --git a/src/app.rs b/src/app.rs
index e2945ce..4d04f92 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -27,7 +27,7 @@ impl<'a> Game for App<'a> {
         self.number_renderer = Some(NumberRenderer::new(asset_store));
     }
 
-    fn render(&self, c: &Context, gl: &mut Gl) {
+    fn render(&self, _ext_dt: f64, c: &Context, gl: &mut Gl) {
         self.board.render(self.number_renderer.get_ref(), c, gl);
     }
 
diff --git a/src/settings.rs b/src/settings.rs
index 9f46f64..1c970a2 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -11,7 +11,7 @@ use serialize::{
 static SETTING_FILENAME: &'static str = "settings.json";
 
 pub struct Settings {
-    pub asset_folder: StrBuf,
+    pub asset_folder: String,
     pub window_size: [u32, ..2],
     pub window_background_color: [f32, ..3],
     pub board_padding: f64,
@@ -125,7 +125,7 @@ impl Settings {
 
 #[deriving(Encodable, Decodable)]
 struct SettingsInJson {
-    asset_folder: StrBuf,
+    asset_folder: String,
 
     // r g b (0 - 255)
     window_background_color: Vec<f32>,
@@ -220,12 +220,12 @@ impl SettingsInJson {
     }
 
     pub fn save(&self) {
-        let exe_path = self_exe_path().unwrap();
+        let exe_path = self_exe_path();
         if exe_path.is_none() {
             println!("WARNING: Failed to save settings: can't find exe path.");
             return;
         }
-        let path = exe_path.join(Path::new(SETTING_FILENAME));
+        let path = exe_path.unwrap().join(Path::new(SETTING_FILENAME));
         let file = File::create(&path).unwrap();
         let mut writer = BufferedWriter::new(file);
         let mut encoder = json::Encoder::new(&mut writer);