more small dependency fixes

landline.gemspec

@@ -17,5 +17,5 @@ Gem::Specification.new do |spec|
   spec.extra_rdoc_files      = Dir["*.md"]
   spec.required_ruby_version = ">= 3.0.0"
 
-  spec.add_dependency 'base64', '~> 0.3.0'
+  spec.add_dependency 'base64', '~> 0', '>= 0.1.0'
 end

lib/landline/probe.rb

@@ -5,7 +5,6 @@ require_relative 'util/lookup'
 require_relative 'dsl/methods_probe'
 require_relative 'dsl/methods_common'
 require_relative 'dsl/constructors_probe'
-require 'pp'
 
 module Landline
   # All subclasses of Landline::Probe that respond to requests