Get back to c99 as LUA_C89_NUMBERS caused problems on ARM

Makefile

@@ -3,7 +3,7 @@
 #CC=$(TARGET)-gcc
 CC=gcc
 
-CFLAGS=-O2 -std=c90 -Isrc/lib/lua -Iinclude -DLUA_C89_NUMBERS
+CFLAGS=-O2 -g -std=c99 -Isrc/lib/lua -Iinclude
 
 BUILD = bin/
 SOURCE = src/c/

src/lua/core/boot.lua

@@ -33,10 +33,12 @@ function boot.boot()
   else
     xpcall(f, function(e)
       local trace = {}
+
       for s in string.gmatch(debug.traceback(e, 2), "[^\r\n]+") do
         trace[#trace + 1] = s
       end
       bsod("System crashed", "Stack traceback:", table.unpack(trace))
+      os.exit(4) --TODO: Run exit hooks
     end)
     bsod("System quit")
   end