Upgrade to crystal 1.0.0

shard.lock

@@ -2,19 +2,19 @@ version: 2.0
 shards:
   db:
     git: https://github.com/crystal-lang/crystal-db.git
-    version: 0.10.0
+    version: 0.10.1
 
   exception_page:
     git: https://github.com/crystal-loot/exception_page.git
-    version: 0.1.4
+    version: 0.1.5
 
   kemal:
     git: https://github.com/kemalcr/kemal.git
-    version: 0.27.0
+    version: 1.0.0
 
   kilt:
     git: https://github.com/jeromegn/kilt.git
-    version: 0.4.0
+    version: 0.4.1
 
   lsquic:
     git: https://github.com/iv-org/lsquic.cr.git
@@ -22,19 +22,15 @@ shards:
 
   pg:
     git: https://github.com/will/crystal-pg.git
-    version: 0.23.1
-
-  pool:
-    git: https://github.com/ysbaddaden/pool.git
-    version: 0.2.3
+    version: 0.23.2
 
   protodec:
     git: https://github.com/iv-org/protodec.git
-    version: 0.1.3
+    version: 0.1.4
 
   radix:
     git: https://github.com/luislavena/radix.git
-    version: 0.3.9
+    version: 0.4.1
 
   sqlite3:
     git: https://github.com/crystal-lang/crystal-sqlite3.git