Replace CRLF with LF in stdout, stderr, because stdin reads double LF.

README.md

@@ -9,6 +9,8 @@ This is a collection of tools that I use often and import into my other projects
 
 ## Mirrors
 
+https://git.voussoir.net/voussoir/voussoirkit
+
 https://github.com/voussoir/voussoirkit
 
 https://gitlab.com/voussoir/voussoirkit

voussoirkit/pipeable.py

@@ -178,11 +178,13 @@ def output(stream, line, *, end):
         stream.flush()
 
 def stdout(line='', end='\n'):
+    line = line.replace('\r\n', '\n')
     # In pythonw, stdout is None.
     if sys.stdout is not None:
         output(sys.stdout, line, end=end)
 
 def stderr(line='', end='\n'):
+    line = line.replace('\r\n', '\n')
     # In pythonw, stderr is None.
     if sys.stderr is not None:
         output(sys.stderr, line, end=end)