resolve #5 - shift VERSION variable into main package

Fix VERSION confusion by moving $Business::GoCardless::VERSION into the
main module to avoid parts of the cpan(m|ts) toolchain getting confused

(VERSION_FROM was correct in the Makefile.PL so i don't know why this is
an issue but whatever)

Changes

@@ -1,5 +1,11 @@
 Revision history for Business-GoCardless
 
+0.19     2017-06-08
+        - Fix documentation typos
+        - Fix VERSION confusion by moving $Business::GoCardless::VERSION
+          into the main module to avoid parts of the cpan(m|ts) toolchain
+          getting confused
+
 0.18     2017-06-06
         - Fix documentation typos
 

MANIFEST

@@ -19,7 +19,6 @@ lib/Business/GoCardless/Utils.pm
 lib/Business/GoCardless/Webhook.pm
 lib/Business/GoCardless/Webhook/V2.pm
 lib/Business/GoCardless/Webhook/Event.pm
-lib/Business/GoCardless/Version.pm
 Makefile.PL
 MANIFEST
 README.md

Makefile.PL

@@ -7,7 +7,7 @@ use ExtUtils::MakeMaker;
 
 WriteMakefile(
     NAME             => 'Business::GoCardless',
-    VERSION_FROM     => 'lib/Business/GoCardless/Version.pm',
+    VERSION_FROM     => 'lib/Business/GoCardless.pm',
     AUTHOR           => 'Lee Johnson <leejo@cpan.org>',
     LICENSE          => 'perl',
     MIN_PERL_VERSION => '5.10.1',

lib/Business/GoCardless.pm

@@ -11,7 +11,7 @@ set of modules
 
 =head1 VERSION
 
-0.18
+0.19
 
 =head1 DESCRIPTION
 
@@ -48,13 +48,13 @@ use strict;
 use warnings;
 
 use Moo;
-with 'Business::GoCardless::Version';
-
 use Carp qw/ confess /;
 
 use Business::GoCardless::Client;
 use Business::GoCardless::Webhook;
 
+$Business::GoCardless::VERSION = '0.19';
+
 has api_version => (
     is       => 'ro',
     required => 0,

lib/Business/GoCardless/Client.pm

@@ -16,7 +16,6 @@ use warnings;
 
 use Moo;
 with 'Business::GoCardless::Utils';
-with 'Business::GoCardless::Version';
 
 use Business::GoCardless::Exception;
 use Business::GoCardless::Bill;
@@ -165,6 +164,7 @@ has user_agent => (
     default => sub {
         my ( $self ) = @_;
         # maybe want more info in here, version of perl, platform, and such
+        require Business::GoCardless;
         return "business-gocardless/perl/v"
             . $Business::GoCardless::VERSION
             . "-" . $self->api_version