fix broken link

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5471 018432c1-2f1c-0410-ba7c-d424024924b7
update require in mathn, thanks pypypy567 (fixes #7273)

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5472 018432c1-2f1c-0410-ba7c-d424024924b7
remove 1.6 series annotation, thanks pypypy567 (fixes #7266) 

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5473 018432c1-2f1c-0410-ba7c-d424024924b7
fix bigdecimal/*.rd version branching

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5474 018432c1-2f1c-0410-ba7c-d424024924b7
Fix some links

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5475 018432c1-2f1c-0410-ba7c-d424024924b7
add todo

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5476 018432c1-2f1c-0410-ba7c-d424024924b7
remove trailing spaces

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5477 018432c1-2f1c-0410-ba7c-d424024924b7
update Range#first, #last (see #7345)

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5478 018432c1-2f1c-0410-ba7c-d424024924b7
Fix Matrix#singular?, thanks a patch from pypypy567 (closes #358)

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5479 018432c1-2f1c-0410-ba7c-d424024924b7
Fix some operations between Vector and Matrix, thanks a patch from pypypy567 (closes #7202)

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5480 018432c1-2f1c-0410-ba7c-d424024924b7
Fix String#{index,rindex,slice}, thanks a patch from  pypypy567 (closes #7283)

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5481 018432c1-2f1c-0410-ba7c-d424024924b7
add Range#min, #max

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5482 018432c1-2f1c-0410-ba7c-d424024924b7
add nil return value to Enumerable#min*, #max*

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5483 018432c1-2f1c-0410-ba7c-d424024924b7
add param to Complex#marshal_load, Rational#marshal_load

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5484 018432c1-2f1c-0410-ba7c-d424024924b7
update rational in 1.9 series, thanks pypypy567 (see #7410)

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5485 018432c1-2f1c-0410-ba7c-d424024924b7
add methods to Fixnum

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5486 018432c1-2f1c-0410-ba7c-d424024924b7
add methods to Bignum

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5487 018432c1-2f1c-0410-ba7c-d424024924b7
exchange Fixnum#odd? and #even?

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5488 018432c1-2f1c-0410-ba7c-d424024924b7
fix depend method in Array#sample, thanks kachick (see #6989)

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5489 018432c1-2f1c-0410-ba7c-d424024924b7
add @see to Object#_dump, thanks pypypy567 (fixes #7417)

git-svn-id: http://jp.rubyist.net/svn/rurema/doctree/trunk@5490 018432c1-2f1c-0410-ba7c-d424024924b7