Namespace builtins on Julia version

Fixes #59

Author: timholy

.gitignore

@@ -3,7 +3,7 @@
 *.jl.mem
 expected.out
 failed.out
-src/builtins.jl
+src/builtins*.jl
 deps/build.log
 docs/build/
 test/results.md

deps/build.jl

@@ -2,6 +2,6 @@ using InteractiveUtils
 
 const srcpath = joinpath(dirname(@__DIR__), "src")
 include(joinpath(srcpath, "generate_builtins.jl"))
-open(joinpath(srcpath, "builtins.jl"), "w") do io
+open(joinpath(srcpath, "builtins-julia$(Int(VERSION.major)).$(Int(VERSION.minor)).jl"), "w") do io
     generate_builtins(io)
 end

src/JuliaInterpreter.jl

@@ -142,7 +142,7 @@ const empty_svec = Core.svec()
 
 include("localmethtable.jl")
 include("interpret.jl")
-include("builtins.jl")
+include("builtins-julia$(Int(VERSION.major)).$(Int(VERSION.minor)).jl")
 
 function show_stackloc(io::IO, stack, frame, pc=frame.pc[])
     indent = ""