improve list of supported Perl versions and update the required CPAN modules

Author: Konrad Bucheli

.travis.yml

@@ -3,6 +3,7 @@ dist: trusty
 sudo: false
 language: perl
 perl:
+  - "5.26"
   - "5.24"
   - "5.22"
   - "5.20"

cpanfile

@@ -1,14 +1,12 @@
-requires 'InfluxDB::HTTP', '>=0.02';
+requires 'InfluxDB::HTTP', '>=0.04';
 requires 'Getopt::Long', '2.00';
 requires 'Pod::Usage', '1.69';
 requires 'IPC::Run', '0.99';
 requires 'JSON::MaybeXS', '1.0';
 requires 'File::Slurper', '0.012';
 requires 'List::Util', '1.50';
-requires 'Method::Signatures', '20170211';
 requires 'Object::Result', '0.000003';
 requires 'LWP::UserAgent', '6.25';
-requires 'Any::Moose', '== 0.26';
 
 on 'test' => sub {
     requires 'Test::More', '>= 0.96';