diff --git a/package-lock.json b/package-lock.json
index b2d95e1..d6e0e41 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@author.io/shell",
-  "version": "1.5.12",
+  "version": "1.5.13",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -10,9 +10,9 @@
       "integrity": "sha512-TpBNJ0r6YbTwXeLci36GHZLHZx/9gWu9bBFNAinTgEY7H+oTt7OexYKce5UVrYG440Hc60jWZ4pelKCqlgAcIA=="
     },
     "@author.io/table": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/@author.io/table/-/table-1.0.2.tgz",
-      "integrity": "sha512-LF/qv0/+yZ+qHT+iWtFjVx6Vq4Cm8NaoF3dCjdqhzGT7wtZHViqUb/2zc86mOZTdtZGwcVV6JZt1GgoZXtGCYw=="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@author.io/table/-/table-1.0.3.tgz",
+      "integrity": "sha512-JnsndB8kzcyLwYp42teOpdICCP4KZHmzOlFnL/uxfQCxGrQKEIH8Occq8LFQXO7OKri/tOYG5mOhrWxxuoRyzw=="
     }
   }
 }
diff --git a/package.json b/package.json
index 094d045..a7cba6b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@author.io/shell",
-  "version": "1.5.12",
+  "version": "1.5.13",
   "description": "A micro-framework for creating CLI-like experiences. This supports Node.js and browsers.",
   "main": "src/index.js",
   "scripts": {
@@ -53,6 +53,6 @@
   },
   "dependencies": {
     "@author.io/arg": "^1.3.3",
-    "@author.io/table": "^1.0.2"
+    "@author.io/table": "^1.0.3"
   }
 }
diff --git a/src/base.js b/src/base.js
index 16e091e..45bccbb 100644
--- a/src/base.js
+++ b/src/base.js
@@ -204,6 +204,8 @@ export default class Base {
         }
       }
     })
+
+    this.updateHelp()
   }
 
   get name () {
@@ -270,17 +272,17 @@ export default class Base {
       return typeof this.#customUsage === 'function' ? this.#customUsage() : this.#customUsage
     }
 
-    this.updateHelp()
-
     return this.#formattedDefaultHelp.usage
   }
 
   set usage (value) {
     if (typeof value === 'string' && value.trim().length === 0) {
-      this.#customUsage = null
+      value = null
     }
 
     this.#customUsage = value
+
+    this.updateHelp()
   }
 
   get help () {
@@ -292,17 +294,17 @@ export default class Base {
       return ''
     }
 
-    this.updateHelp()
-    
     return this.#formattedDefaultHelp.help
   }
 
   set help (value) {
     if (typeof value === 'string' && value.trim().length === 0) {
-      this.#customHelp = null
+      value = null
     }
 
     this.#customHelp = value
+
+    this.updateHelp()
   }
 
   // @private
diff --git a/test/unit/01-sanity/01-sanity.js b/test/unit/01-sanity/01-sanity.js
index 7dcc7f6..af0cbb7 100644
--- a/test/unit/01-sanity/01-sanity.js
+++ b/test/unit/01-sanity/01-sanity.js
@@ -167,3 +167,28 @@ test('Default command help (regression test)', t => {
   t.pass('Ran without error.')
   t.end()
 })
+
+test('Basic Introspection', t => {
+  const shell = new Shell({
+    name: 'test',
+    version: '1.0.0',
+    disableHelp: true,
+    commands: [
+      {
+        name: 'account',
+        description: 'Perform operations on a user account.',
+        handler: (meta, cb) => { },
+        commands: [
+          {
+            name: 'create',
+            description: 'Create a user account.',
+            arguments: '<email>'
+          }
+        ]
+      }
+    ]
+  })
+
+  t.ok(typeof shell.data === 'object', 'Generates a data object representing the shell.')
+  t.end()
+})
diff --git a/test/unit/01-sanity/100-regression.js b/test/unit/01-sanity/100-regression.js
new file mode 100644
index 0000000..14f1384
--- /dev/null
+++ b/test/unit/01-sanity/100-regression.js
@@ -0,0 +1,27 @@
+import 'source-map-support/register.js'
+import test from 'tape'
+import { Shell } from '../../.node/index.js'
+
+// The range error was caused by the underlying table library.
+// When a default help message was generated, a negative column
+// width (representing "infinite" width) was not being converted
+// to the width of the content, causing a method to execute infinitely.
+test('Extending shell creates RangeError for data attribute', t => {
+  class CLIClient extends Shell {
+    exec (input, cb) {
+      console.log(input)
+      super.exec(...arguments)
+    }
+  }
+
+  const sh = new CLIClient({
+    name: 'test',
+    commands: [{
+      name: 'cmd',
+      handler () {}
+    }]
+  })
+
+  t.ok(sh.data.name === 'test', 'Extended shell still provides underlying data.')
+  t.end()
+})