some warnings

[masterkain]

warning: String.strip/1 is deprecated. Use String.trim/1 instead
  /Users/kain/src/kubera/deps/sh/mix.exs:4

warning: variable "deps" does not exist and is being expanded to "deps()", please use parentheses to remove the ambiguity or change the variable name
  /Users/kain/src/kubera/deps/sh/mix.exs:11: Sh.Mixfile.project/0

warning: variable "package" does not exist and is being expanded to "package()", please use parentheses to remove the ambiguity or change the variable name
  /Users/kain/src/kubera/deps/sh/mix.exs:12: Sh.Mixfile.project/0

warning: variable "args" is unused (if the variable is not meant to be used, prefix it with an underscore)
  lib/sh.ex:26: Sh."$handle_undefined_function"/2

warning: variable "self" does not exist and is being expanded to "self()", please use parentheses to remove the ambiguity or change the variable name
  lib/sh.ex:41: Sh.loop/2

warning: the result of the expression is ignored (suppress the warning by assigning the expression to the _ variable)
  lib/sh.ex:26