Log Message:
Updated package to latest version, 2.8.3. Changes include:

===== 2.8.3 (2016-11-04) =====

 * Features/Changes
 ** Runtime: complete support for 4.04

 * Bug fixes
 ** Compiler: fix order of javascript files
 ** Compiler: fix Javascript lexer (newline inside strings)
 ** Compiler: fix bug in closure generation
 ** Compiler: fix regression in closure generation (introduced in 2.8) (#531)
 ** Compiler: fix code generation when static evaluation is disabled

===== 2.8.2 (2016-09-10) =====

 * Features/Changes
 ** Lib: add Dom_html.Keyboard_code & Dom_html.Keyboard_key (Corwin de Boor)
 ** Misc: update lib and runtime to work better with non browser environment
 ** Misc: initial support for 4.04

 * Bug fixes
 ** Compiler: fix js output for x - -1
 ** Compiler: fix parsing of annotations in the runtime
 ** Compiler: fix javascript minifier
 ** Compiler: various fixes for separate compilation.