Fix thread detection to work in SBCL implementations that don't support
threading.
Merge pull request #33 from wcn3/master

Fix thread detection to work in SBCL implementations that don't support threading.
typo
Merge pull request #39 from lateau/master

typo
Modify a unmatched key-value pair with it's docstring on test-hash-table-access.
Merge pull request #40 from lateau/master

Modify a unmatched key-value pair with it's docstring on test-hash-table...
Update arrays.lsp
Update hash-tables.lsp

eins zwei ...
Merge branch 'master' of https://github.com/google/lisp-koans

Conflicts:
	koans/arrays.lsp
	koans/atoms-vs-lists.lsp