reader support for ## and #=
added afind primitive
wip *print-circle* support
typo in array printing
Merge branch 'master' of http://github.com/davazp/jscl into reader-backward-references
Merge branch 'master' of http://github.com/davazp/jscl into reader-backward-references
Merge branch 'reader-backward-references' of ssh://github.com/6502/jscl into reader-backward-references
Merge branch 'reader-backward-references' of https://github.com/6502/jscl into reader-circular

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
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# the commit.
Remove wrong test
Convert test to not to use `equal'