Change to blocking IO as windows struggles to handle fds properly

lib/tty/command/process_runner.rb

@@ -96,7 +96,7 @@ def write_stream(ready_writers, writers)
         ready_writers.each do |fd|
           begin
             err   = nil
-            size  = fd.write_nonblock(@input)
+            size  = fd.write(@input)
             @input = @input.byteslice(size..-1)
           rescue IO::WaitWritable
           rescue Errno::EPIPE => err