diff --git a/.appveyor.yml b/.appveyor.yml
index 9b9e32c..0642b70 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -2,65 +2,65 @@ version: '{branch}.{build}'
 os: Visual Studio 2015
 clone_depth: 1
 cache:
-    - c:\freshmingw
-    - c:\usr
+  - c:\freshmingw
+  - c:\usr
 before_build:
-    - |-
-        set PREFIX=C:\usr
-        set ARCH=i686-w64-mingw32
+  - |-
+    set PREFIX=C:\usr
+    set ARCH=i686-w64-mingw32
 
-        # depends are only fetched where there's no cache
-    - if exist %PREFIX% set DEPENDS=rem
+  # depends are only fetched where there's no cache
+  - if exist %PREFIX% set DEPENDS=rem
 
-    - |-
-        %DEPENDS% mkdir %PREFIX%\include\SDL2
-        %DEPENDS% mkdir %PREFIX%\lib
-        %DEPENDS% cd %TEMP%
+  - |-
+    %DEPENDS% mkdir %PREFIX%\include\SDL2
+    %DEPENDS% mkdir %PREFIX%\lib
+    %DEPENDS% cd %TEMP%
 
-        # SDL2
-    - |-
-        %DEPENDS% appveyor DownloadFile http://www.libsdl.org/release/SDL2-devel-2.0.7-mingw.tar.gz
-        %DEPENDS% 7z x SDL2-devel-2.0.7-mingw.tar.gz > nul
-        %DEPENDS% 7z x SDL2-devel-2.0.7-mingw.tar > nul
-        %DEPENDS% copy SDL2-2.0.7\%ARCH%\include\SDL2\* %PREFIX%\include\SDL2 > nul
-        %DEPENDS% copy SDL2-2.0.7\%ARCH%\lib\*.a %PREFIX%\lib > nul
-        %DEPENDS% copy SDL2-2.0.7\%ARCH%\bin\*.dll %PREFIX%\lib > nul
+  # SDL2
+  - |-
+    %DEPENDS% appveyor DownloadFile http://www.libsdl.org/release/SDL2-devel-2.0.7-mingw.tar.gz
+    %DEPENDS% 7z x SDL2-devel-2.0.7-mingw.tar.gz > nul
+    %DEPENDS% 7z x SDL2-devel-2.0.7-mingw.tar > nul
+    %DEPENDS% copy SDL2-2.0.7\%ARCH%\include\SDL2\* %PREFIX%\include\SDL2 > nul
+    %DEPENDS% copy SDL2-2.0.7\%ARCH%\lib\*.a %PREFIX%\lib > nul
+    %DEPENDS% copy SDL2-2.0.7\%ARCH%\bin\*.dll %PREFIX%\lib > nul
 
-        # SDL2_image
-    - |-
-        %DEPENDS% appveyor DownloadFile http://www.libsdl.org/projects/SDL_image/release/SDL2_image-devel-2.0.2-mingw.tar.gz
-        %DEPENDS% 7z x SDL2_image-devel-2.0.2-mingw.tar.gz > nul
-        %DEPENDS% 7z x SDL2_image-devel-2.0.2-mingw.tar > nul
-        %DEPENDS% copy SDL2_image-2.0.2\%ARCH%\include\SDL2\* %PREFIX%\include\SDL2 > nul
-        %DEPENDS% copy SDL2_image-2.0.2\%ARCH%\lib\*.a %PREFIX%\lib > nul
-        %DEPENDS% copy SDL2_image-2.0.2\%ARCH%\bin\*.dll %PREFIX%\lib > nul
+  # SDL2_image
+  - |-
+    %DEPENDS% appveyor DownloadFile http://www.libsdl.org/projects/SDL_image/release/SDL2_image-devel-2.0.2-mingw.tar.gz
+    %DEPENDS% 7z x SDL2_image-devel-2.0.2-mingw.tar.gz > nul
+    %DEPENDS% 7z x SDL2_image-devel-2.0.2-mingw.tar > nul
+    %DEPENDS% copy SDL2_image-2.0.2\%ARCH%\include\SDL2\* %PREFIX%\include\SDL2 > nul
+    %DEPENDS% copy SDL2_image-2.0.2\%ARCH%\lib\*.a %PREFIX%\lib > nul
+    %DEPENDS% copy SDL2_image-2.0.2\%ARCH%\bin\*.dll %PREFIX%\lib > nul
 
-        # SDL2_ttf
-    - |-
-        %DEPENDS% appveyor DownloadFile https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-devel-2.0.14-mingw.tar.gz
-        %DEPENDS% 7z x SDL2_ttf-devel-2.0.14-mingw.tar.gz > nul
-        %DEPENDS% 7z x SDL2_ttf-devel-2.0.14-mingw.tar > nul
-        %DEPENDS% copy SDL2_ttf-2.0.14\%ARCH%\include\SDL2\* %PREFIX%\include\SDL2 > nul
-        %DEPENDS% copy SDL2_ttf-2.0.14\%ARCH%\lib\*.a %PREFIX%\lib > nul
-        %DEPENDS% copy SDL2_ttf-2.0.14\%ARCH%\bin\*.dll %PREFIX%\lib > nul
+  # SDL2_ttf
+  - |-
+    %DEPENDS% appveyor DownloadFile https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-devel-2.0.14-mingw.tar.gz
+    %DEPENDS% 7z x SDL2_ttf-devel-2.0.14-mingw.tar.gz > nul
+    %DEPENDS% 7z x SDL2_ttf-devel-2.0.14-mingw.tar > nul
+    %DEPENDS% copy SDL2_ttf-2.0.14\%ARCH%\include\SDL2\* %PREFIX%\include\SDL2 > nul
+    %DEPENDS% copy SDL2_ttf-2.0.14\%ARCH%\lib\*.a %PREFIX%\lib > nul
+    %DEPENDS% copy SDL2_ttf-2.0.14\%ARCH%\bin\*.dll %PREFIX%\lib > nul
 
-        # Lua
-    - |-
-        %DEPENDS% appveyor DownloadFile https://sourceforge.net/projects/luabinaries/files/5.3.4/Windows%20Libraries/Static/lua-5.3.4_Win64_vc14_lib.zip/download?use_mirror=netix
-        %DEPENDS% 7z x lua-5.3.4_Win64_vc14_lib.zip > nul
-        %DEPENDS% copy include\* %PREFIX%\include > nul
-        %DEPENDS% copy lua53.lib %PREFIX%\lib > nul
+    # Lua
+  - |-
+    %DEPENDS% appveyor DownloadFile https://sourceforge.net/projects/luabinaries/files/5.3.4/Windows%20Libraries/Static/lua-5.3.4_Win64_vc14_lib.zip/download?use_mirror=netix
+    %DEPENDS% 7z x lua-5.3.4_Win64_vc14_lib.zip > nul
+    %DEPENDS% copy include\* %PREFIX%\include > nul
+    %DEPENDS% copy lua53.lib %PREFIX%\lib > nul
 
 build_script:
-    - |-
-        set Path=C:\MinGW\bin;%Path%
-        cd %APPVEYOR_BUILD_FOLDER%
-        del "C:\Program Files\Git\usr\bin\sh.exe"
+  - |-
+    set Path=C:\MinGW\bin;%Path%
+    cd %APPVEYOR_BUILD_FOLDER%
+    del "C:\Program Files\Git\usr\bin\sh.exe"
 
-        # Build
-    - |-
-        cmake --version
-        cmake -DCMAKE_PREFIX_PATH="%PREFIX%" -DCMAKE_C_COMPILER=mingw32-gcc.exe -DCMAKE_CXX_COMPILER=mingw32-c++.exe -DCMAKE_MAKE_PROGRAM=mingw32-make.exe -DCMAKE_VERBOSE_MAKEFILE=ON -DSTANDALONE=ON -DCMAKE_INSTALL_PREFIX="C:\breakhack" -G "MinGW Makefiles"
+  # Build
+  - |-
+    cmake --version
+    cmake -DCMAKE_PREFIX_PATH="%PREFIX%" -DCMAKE_C_COMPILER=mingw32-gcc.exe -DCMAKE_CXX_COMPILER=mingw32-c++.exe -DCMAKE_MAKE_PROGRAM=mingw32-make.exe -DCMAKE_VERBOSE_MAKEFILE=ON -DSTANDALONE=ON -DCMAKE_INSTALL_PREFIX="C:\breakhack" -G "MinGW Makefiles"
 
-    - |-
-        mingw32-make
+  - |-
+    mingw32-make