This fixes issue 88. GNUmakefile, *.mk and *.mak files are now considered as Makefiles. Extended the t/filetypes.t test for this.
is off by default, just as --binary is. Added a filetype of "--ignored", which matches any file that ack ignores, like core dumps and backup files. It will NOT include files that are in ignored directories like blib/ and .svn/
Perl from Darwinports complained, because apparently most other Perl installs have "." in @INC.