version bump in source
exec! spec deals with reboot
improve specs, add a way to load to environment variables to parametrize tests (and defer to hardcoded values if necessary)

fixed with feedback
shell's class channel interactive behaviour decoupled
fixes !ruby-1.9.2 compatibility

https://github.com/rspec/rspec-core/issues/506
http://bugs.ruby-lang.org/issues/5657
test constants look more like constants
Merge branch 'freakhill-slightly-better-specs' into 0.4

Conflicts:
	spec/em-ssh_spec.rb
refs #8 - adds :logger option; increases test timeout to 5

To configure the log level etc., for a particular Shell or Connection,
pass in a Logger through the :logger option.
version bumped to 0.5
updates changelog
Merge branch 'interactive' of git://github.com/freakhill/em-ssh into 0.5
refs #19 reset buffer after match; aligns API with 0.4
updates changelog
removes logger from spec