[Feature #1133] Pathname.binread

Feature #1133: Pathname.binread
http://redmine.ruby-lang.org/issues/show/1133

e$B5/I<<Te(B: Sakuro OZAWA
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Normal

#1129 e$B$K$$$/$V$s4XO"$7$^$9$,!“e(BPathname#read
e$B$,$”$k$N$G$9$+$i!“e(BPathname#binread
e$B$,$”$C$F$b$h$$$N$G$O$J$$$G$7$g$&$+!#e(B

e$B%A%1%C%He(B #1133 e$B$,99?7$5$l$^$7$?!#e(B (by Yukihiro M.)

e$B%9%F!<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B
e$B?JD=e(B % 0e$B$+$ie(B100e$B$KJQ99e(B

Applied in changeset r22493.

http://redmine.ruby-lang.org/issues/show/1133