Compare client/server versions and warn if different

src/commands/build.cr

@@ -17,6 +17,7 @@ module Faaso
             Log.info { "Building function... #{funko.name} in #{tmp_dir}" }
             funko.build tmp_dir
           else # Running against a server
+            Faaso.check_version
             # Create a tarball for the funko
             buf = IO::Memory.new
             Compress::Gzip::Writer.open(buf) do |gzip|

src/commands/scale.cr

@@ -27,6 +27,7 @@ module Faaso
       end
 
       def remote(options, name, scale) : Int32
+        Faaso.check_version
         if !scale
           Crest.get(
             "#{FAASO_SERVER}funkos/#{name}/scale/", \

src/commands/secret.cr

@@ -13,6 +13,7 @@ module Faaso
       end
 
       def remote(options, funko, name, secret) : Int32
+        Faaso.check_version
         if options["--add"]
           Crest.post(
             "#{FAASO_SERVER}secrets/",

src/commands/status.cr

@@ -26,6 +26,7 @@ module Faaso
       end
 
       def remote(options, name) : Int32
+        Faaso.check_version
         Crest.get(
           "#{FAASO_SERVER}funkos/#{name}/status/", \
              user: "admin", password: "admin") do |response|