Change alghorithm to algorithm
Potential fix for 'inline' macro redefinition error - VS2012 C++
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
move mruby's showcallinfo into the core
show a backtrace when when an error occurs on gem load; close #1243
forgot to add src/backtrace.c