correct spelling of Perl

[simbabque]

The language is called Perl, while the interpreter binary is called perl. A grep in perldoc shows that in conjunction with 'regular expressions' or 'regex' the form Perl is used. :)

[coveralls]

Coverage remained the same at 90.633% when pulling 1685f12 on simbabque:master into ff4e45a on metacpan:master.

[coveralls]

Coverage remained the same at 90.633% when pulling 1685f12 on simbabque:master into ff4e45a on metacpan:master.

[coveralls]

Coverage remained the same at 90.633% when pulling 1685f12 on simbabque:master into ff4e45a on metacpan:master.

[coveralls]

Coverage remained the same at 90.633% when pulling 1685f12 on simbabque:master into ff4e45a on metacpan:master.

[coveralls]

Coverage remained the same at 90.633% when pulling 1685f12 on simbabque:master into ff4e45a on metacpan:master.

[haarg]

Strictly speaking, it's using PCRE, not perl.

[atoomic]

going to add an addition 'Compatible' to avoid confusion on top of this commit