Change alghorithm to algorithm
Merge pull request #1250 from Archytaus/master

Fix for 'inline' macro redefinition error in VS2012 C++
Merge pull request #1249 from carsonmcdonald/typocleanup

Change alghorithm to algorithm
Implemented ObjectSpace.count_objects to count the number of allocated objects for each type
Merge branch 'master' of git://github.com/mruby/mruby