v0.0.4 doc updates

.gitignore

@@ -4,3 +4,4 @@ coverage/
 doc/
 *scratchpad*
 pigeon.bundle
+*.gem

README.md

@@ -6,23 +6,24 @@ This is a WIP [Pigeon Protocol] client written in Ruby.
 
 # Installation
 
-This is a pre-release skeleton project. There is no gem yet. The gem will be released after we are fully compliant with the spec and have high test coverage stats.
+We are not yet on Rubygems. The gem will be released after we are fully compliant with the spec and have high test coverage stats.
 
 In the meantime:
 
 ```
 git clone https://tildegit.org/PigeonProtocolConsortium/pigeon_ruby.git
 cd pigeon_ruby
-bundle install
-./pigeon-cli # Should work. Raise issue if not.
+gem build pigeon.gemspec
+gem install pigeon-0.0.4.gem
+pigeon-cli identity new # Should work. Raise issue if not.
+pigeon-cli status
+pigeon-cli help
 ```
 
 # Usage: CLI
 
-We provide a CLI wrapper as `pigeon-cli`.
-Help is provided by running `./pigeon-cli`.
-
-See `kitchen_sink.sh` for an example of all commands.
+See `pigeon-cli help` for documentation.
+See `kitchen_sink.sh` examples.
 
 # Usage: Ruby Lib
 

bin/pigeon-cli

@@ -7,7 +7,8 @@ def db
   if File.file?(Pigeon::PIGEON_DB_PATH)
     $db ||= Pigeon::Database.new
   else
-    raise "ERROR: You need to create a database file first."
+    STDERR.puts("You must first run `pigeon-cli identity new`.")
+    exit 1
   end
 end