fixes, refactor

me.lua

@@ -0,0 +1,47 @@
+local me =  {}
+
+me.name = "bzfoundry"
+
+function me.smelt()
+  return me.get_setting("bzfoundry-smelt")
+end
+
+function me.carbon()
+  return me.get_setting("bzfoundry-hydrocarbon")
+end
+
+function me.carbonrecipe()
+  local carbon = me.carbon()
+  if carbon == "coke" then
+    return "coke"
+  elseif carbon == "solid-fuel" then
+    return "solid-fuel-from-coal"
+  end
+  return nil
+end
+
+function me.get_other_machines()
+  local machines = {}
+  if me.get_setting(me.name.."-other-machines") then 
+    for machine in string.gmatch(me.get_setting(me.name.."-other-machines"), '[^",%s]+') do
+      table.insert(machines, machine)
+    end
+  end
+  return machines
+end
+
+function me.get_setting(name)
+  if settings.startup[name] == nil then
+    return nil
+  end
+  return settings.startup[name].value
+end
+
+me.bypass = {}
+if me.get_setting(me.name.."-recipe-bypass") then 
+  for recipe in string.gmatch(me.get_setting(me.name.."-recipe-bypass"), '[^",%s]+') do
+    me.bypass[recipe] = true
+  end
+end
+
+return me