tests/test-encode.out

setup.py: subprocess instead of os.popen, sys.stderr.write instead of print

Also check that .hg is a directory.

%% no changes
%% no changes
%% uncompressed contents in repo
this is a test
%% uncompress our working dir copy
this is a test
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
%% uncompress our new working dir copy
this is a test
%% check hg cat operation
this is a test
this is a test
this is a test
this is a test