modify to use sql_sampler

Conflicts:
	lib/newrelic_sequel/sequel.rb
Ignore pkg and *.orig files
Log instrumentation installation

Conflicts:
	lib/newrelic_sequel/sequel.rb
Don't crash when sql contains blobs

* Only peek at beginning of sql to determine operation
* Fixes invalid byte sequence in UTF-8 exception

Conflicts:
	lib/newrelic_sequel/sequel.rb
Bump version to 0.0.7