improved documentation
fixed a bug with dynamic scopes
updated dependencies
Rubylog -> rubylog, Rubylog::DefaultContext
removed initialize_context
Merge branch 'api-cleanup' into develop
require ruby 1.9.2
Regenerate gemspec for version
Merge branch 'develop', removed required_ruby_version

Conflicts:
	README.rdoc
	lib/rubylog/builtins/logic.rb
	lib/rubylog/builtins/term.rb
fixed gemspec versioning
Regenerate gemspec for version 2.0pre1
updated readme
updated readme
updated readme
changed back unification order
added infix every
fixed variable unification with (indirect) self
fixed every to work with variables in deep procs in b
:rubylog_cut, fixed a bug with variable cut
clause->goal