[Bugfix] Ensure source metadata fetching uses windows-compatible filepaths (#193)

* Fixed underlying bug

* Refactored windows_filenames to be a global flag; added tests

* Added some random test coverage for fun

lib/pinchflat/utils/cli_utils.ex

@@ -3,6 +3,8 @@ defmodule Pinchflat.Utils.CliUtils do
   Utility methods for working with CLI executables
   """
 
+  require Logger
+
   alias Pinchflat.Utils.StringUtils
 
   @doc """
@@ -19,6 +21,8 @@ defmodule Pinchflat.Utils.CliUtils do
     wrapper_command = Path.join(:code.priv_dir(:pinchflat), "cmd_wrapper.sh")
     actual_command = [command] ++ args
 
+    Logger.info("[command_wrapper]: #{command} called with: #{Enum.join(args, " ")}")
+
     System.cmd(wrapper_command, actual_command, opts)
   end