Merge pull request #180 from lee-dohm/master

Clean up grammar in method missing recommendations
Put condition on same line as if/unless
Merge pull request #182 from mark-rushakoff/if-condition-line

Put condition on same line as if/unless
Fix typo in "Percent Literals" section

s/expect/except
Merge pull request #183 from sectioneight/patch-1

Fix typo in "Percent Literals" section
Add missing highlighting
Condemn the use of a few more Perlisms
Add a bit of advice about multi-line while/until
Refine multi-line params indentation rule
better example for rescue in its modifier form
Merge pull request #185 from shime/patch-1

better example for rescue in its modifier form
Discourage the use of the character literal syntax
Mention Kernel#format as an alternative to Kernel#sprintf
less gender-specific reference in the opening paragraph

Rather than "fine fellows," which implies a boys' club, how about a slightly more inclusive alliteration? "Crafty coders" perhaps?
Remove unneeded semicolon
Avoid the use of `attr`
Mention safe assignment in condition
Mention Comparable#between?
fixed typo
Merge pull request #191 from ma2gedev/master

Fixed typo