Merge pull request #9 from ping4/connection_pool_fixes

Connection pool fixes
Add link to cequel-migrations-rails to README
add homepage link so rubygems users can easily get to github
Merge pull request #15 from ping4/gemfile_link

add homepage link so rubygems users can easily get to github
debugger not ruby-debug !
Clear out Dictionary @row on save unless loaded

Otherwise causes bad behavior in #slice method
Bump version
Update changelog
Calling ::load on a loaded Dictionary is a no-op

Previously it was clearing out the row but not re-loading data, making
the dictionary appear empty.
Bump version
Update changelog
Ability to change default consistency within a block
Bump version
Update changelog
Update README
Add compatibility section to README
Merge branch 'master' into 1.0

* master:
  Update README
  Update changelog
  Bump version
  Ability to change default consistency within a block
  Update changelog
  Bump version
  Calling ::load on a loaded Dictionary is a no-op
  Update changelog
  Bump version
  Clear out Dictionary @row on save unless loaded
  debugger not ruby-debug !
  add homepage link so rubygems users can easily get to github
  Add link to cequel-migrations-rails to README

Conflicts:
	CHANGELOG.md
	Gemfile.lock
	README.md
	cequel.gemspec
	lib/cequel/data_set.rb
	lib/cequel/keyspace.rb
	lib/cequel/model/persistence.rb
	lib/cequel/version.rb
Remove old code