fix indent
disable test_exceptions_alias in s_x_x
Merge pull request #2575 from coolwanglu/pr2

fix indent
warn on -s X=Y of invalid keys, and suggest corrections; fixes #2579
allow creating read-only files; fixes #2573
remove annoying unnecessary logging message of forced stdlibs when there are none
ignore empty functions in tools/find_bigfuncs
Full site with API reference and default sphinx_rtd_theme
add updated theme files
updates
add hamishwillee to AUTHORS
support ASYNCIFY