First pass at non-const
Reenabled const for print_data
Reenabled a few more consts
Reenabled const in predicate
Removed some unnecessary const_casts
Removed some more unnecessary const_casts
Cleaned up const_cast in dim_iter
Removed unnecessary const_casts from category_type
Removed some unnecessary comments
Reenabled const in at_single
A little more clean-up
A couple more fixes
Merge remote-tracking branch 'origin/master' into const
Rebased off master
Merge pull request #146 from izaid/const

Const