Symbol#slice is equivalent to sym.to_s.slice, per ruby-doc. Also,
String#slice is an alias of String#[].
Switch to [] as method with slice as alias.
Some tag/untag madness in symbol/slice_tags.txt
untags for Symbol#[]
Merge pull request #702 from tobarja/Symbol#slice

Symbol#slice is equivalent to sym.to_s.slice, per ruby-doc.
remove a now unused parameter
Merge branch 'master' of github.com:topazproject/topaz
tag some failing specs
Move methods from Object to kernel

Specs fixed:

BasicObject subclass
- contains Kernel methods when including Kernel
Merge pull request #706 from krekoten/move_methods_to_kernel

Move methods from Object to Kernel
Untag more specs
Merge pull request #707 from jstepien/untag-more-specs

Untag more specs