Fix typo in Readme.md

Add closing quote to the string literal in js code snippet.
Change order of changelog.
Fix incorrect issues url in the package.json
Throw syntax errors from reader so that repl
will accept multiline inputs.
Convert let to a macro.
Optimise functions that contain single let form.
Version 0.0.4
Implement key-values function.
Don't handle non list tail specially.
Implement drop-list.
Implement drop.
Implement seq.
Implement concat.
Fix bugs with syntax-quoted hashes and vectors.
Move list definition to a sequence module.
Implement type agnostic reverse.
Make count type agnostic.
Make rest type agnostic.
Make first, second and third type agnostic.
Properly throw TypeError in if wrong arg is passed to seq.