Merge branch 'master' of github.com:kanaka/mal

diff --cc .travis.yml
Simple merge

diff --cc Makefile
index a6631b5,618680d..0e5f5af
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -77,10 -77,10 +77,10 @@@ DOCKERIZE 
  # Settings
  #
  
 -IMPLS = ada awk bash c d chuck clojure coffee clisp cpp crystal cs erlang elisp \
 +IMPLS = ada awk bash basic c d chuck clojure coffee clisp cpp crystal cs erlang elisp \
        elixir es6 factor forth fsharp go groovy guile haskell haxe \
        io java julia js kotlin logo lua make mal ocaml matlab miniMAL \
-       nim objc objpascal perl perl6 php plpgsql plsql powershell ps \
+       nim objc objpascal perl perl6 php pil plpgsql plsql powershell ps \
        python r racket rpython ruby rust scala swift swift3 tcl vb vhdl \
        vimscript
  

diff --cc README.md
Simple merge

diff --cc tests/step9_try.mal
Simple merge