Candran 0.2

Changed a LOT. Notable changes:
* Removed decorators, as they're not that useful, unless rewriting most
Lua libraries API.
* Added functions parameters default values.
* Added Lua 5.3 stuff and building to Lua 5.1.
* Remplaced the LuaMinify parser by lua-parser. It now requires some
non-Lua dependencies (LPeg) unfortunately, but it's waaaaaay easier to
handle. Code should be adaptable to any Metalua-like AST generator
anyway.
* The generated code now look like shit, and comment are stripped,
because the parser ignore them. Oh well.
* Changed a few things in the preprocessor environment.
* Nobody will read this commit message I guess. If you did, create an
issue saying "I love pineapple flavored bread".

compiler/luajit.can

@@ -0,0 +1,33 @@
+tags._opid.idiv = function(left, right)
+	return "math.floor(" .. lua(left) .. " / " .. lua(right) .. ")"
+end
+tags._opid.band = function(left, right)
+	addRequire("bit", "band", "band")
+	return getRequire("band") .. "(" .. lua(left) .. ", " .. lua(right) .. ")"
+end
+tags._opid.bor = function(left, right)
+	addRequire("bit", "bor", "bor")
+	return getRequire("bor") .. "(" .. lua(left) .. ", " .. lua(right) .. ")"
+end
+tags._opid.bxor = function(left, right)
+	addRequire("bit", "bxor", "bxor")
+	return getRequire("bxor") .. "(" .. lua(left) .. ", " .. lua(right) .. ")"
+end
+tags._opid.shl = function(left, right)
+	addRequire("bit", "lshift", "lshift")
+	return getRequire("lshift") .. "(" .. lua(left) .. ", " .. lua(right) .. ")"
+end
+tags._opid.shr = function(left, right)
+	addRequire("bit", "rshift", "rshift")
+	return getRequire("rshift") .. "(" .. lua(left) .. ", " .. lua(right) .. ")"
+end
+tags._opid.bnot = function(right)
+	addRequire("bit", "bnot", "bnot")
+	return getRequire("bnot") .. "(" .. lua(right) .. ")"
+end
+
+#local patch = output
+#output = ""
+#import("compiler.lua53", { patch = patch })
+
+return lua53