M5 syntax: fix `:=` -> `=`
M5 syntax: syntax and renaming fixes
M5 syntax: Replace
    bin('N')
by
    $N
and
    hex('N')
by
    #N
M5 syntax: Fix `:=` -> `=` for tests
M5 syntax: hex/bin for tests
M5 syntax: Some test fixes
Update variadic syntax
Updated SDK to latest Ceylon syntax
Bumped version numbers to 0.5 #43
build: bumped versions to 0.5 (#43)
Bumped binary version to 4 (ceylon/ceylon-compiler#948)
Updated to latest ceylon.language module
Ceylon httpd server.
Ceylon request&response.
Serving static file.
Prevent immediate exit from console.
Fix npe when looking for missing query param.
Form POST data parser.
Multipart form fix.
Remove file deleted in upstream.