Refresh all docs (#298)

Change the discovery query to fetch all discovery docs, not just the
preferred ones.
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+<style>
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+body, h1, h2, h3, div, span, p, pre, a {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  font-weight: inherit;
+  font-style: inherit;
+  font-size: 100%;
+  font-family: inherit;
+  vertical-align: baseline;
+}
+
+body {
+  font-size: 13px;
+  padding: 1em;
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+h1 {
+  font-size: 26px;
+  margin-bottom: 1em;
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+h2 {
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+pre, code {
+  line-height: 1.5;
+  font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace;
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+pre {
+  margin-top: 0.5em;
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+h1, h2, h3, p {
+  font-family: Arial, sans serif;
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+
+h1, h2, h3 {
+  border-bottom: solid #CCC 1px;
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+
+.toc_element {
+  margin-top: 0.5em;
+}
+
+.firstline {
+  margin-left: 2 em;
+}
+
+.method  {
+  margin-top: 1em;
+  border: solid 1px #CCC;
+  padding: 1em;
+  background: #EEE;
+}
+
+.details {
+  font-weight: bold;
+  font-size: 14px;
+}
+
+</style>
+
+<h1><a href="oauth2_v1.html">Google OAuth2 API</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="oauth2_v1.userinfo.html">userinfo()</a></code>
+</p>
+<p class="firstline">Returns the userinfo Resource.</p>
+
+<p class="toc_element">
+  <code><a href="#getCertForOpenIdConnect">getCertForOpenIdConnect()</a></code></p>
+<p class="firstline">A description of how to use this function</p>
+<p class="toc_element">
+  <code><a href="#getCertForOpenIdConnectRaw">getCertForOpenIdConnectRaw()</a></code></p>
+<p class="firstline">A description of how to use this function</p>
+<p class="toc_element">
+  <code><a href="#getRobotJwk">getRobotJwk(robotEmail)</a></code></p>
+<p class="firstline">A description of how to use this function</p>
+<p class="toc_element">
+  <code><a href="#getRobotMetadataRaw">getRobotMetadataRaw(robotEmail)</a></code></p>
+<p class="firstline">A description of how to use this function</p>
+<p class="toc_element">
+  <code><a href="#getRobotMetadataX509">getRobotMetadataX509(robotEmail)</a></code></p>
+<p class="firstline">A description of how to use this function</p>
+<p class="toc_element">
+  <code><a href="#new_batch_http_request">new_batch_http_request()</a></code></p>
+<p class="firstline">Create a BatchHttpRequest object based on the discovery document.</p>
+<p class="toc_element">
+  <code><a href="#tokeninfo">tokeninfo(access_token=None, id_token=None)</a></code></p>
+<p class="firstline">Get token info</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="getCertForOpenIdConnect">getCertForOpenIdConnect()</code>
+  <pre>A description of how to use this function
+
+Args:
+
+Returns:
+  An object of the form:
+
+    {
+    "a_key": "A String",
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="getCertForOpenIdConnectRaw">getCertForOpenIdConnectRaw()</code>
+  <pre>A description of how to use this function
+
+Args:
+
+Returns:
+  An object of the form:
+
+    {
+    "keyvalues": [
+      {
+        "keyid": "A String",
+        "modulus": "A String",
+        "exponent": "A String",
+        "algorithm": "RSA",
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="getRobotJwk">getRobotJwk(robotEmail)</code>
+  <pre>A description of how to use this function
+
+Args:
+  robotEmail: string, The email of robot account. (required)
+
+Returns:
+  An object of the form:
+
+    {
+    "keys": [
+      {
+        "use": "sig",
+        "e": "A String",
+        "kty": "RSA",
+        "alg": "RS256",
+        "n": "A String",
+        "kid": "A String",
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="getRobotMetadataRaw">getRobotMetadataRaw(robotEmail)</code>
+  <pre>A description of how to use this function
+
+Args:
+  robotEmail: string, The email of robot account. (required)
+
+Returns:
+  An object of the form:
+
+    {
+    "keyvalues": [
+      {
+        "keyid": "A String",
+        "modulus": "A String",
+        "exponent": "A String",
+        "algorithm": "RSA",
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="getRobotMetadataX509">getRobotMetadataX509(robotEmail)</code>
+  <pre>A description of how to use this function
+
+Args:
+  robotEmail: string, The email of robot account. (required)
+
+Returns:
+  An object of the form:
+
+    {
+    "a_key": "A String",
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="new_batch_http_request">new_batch_http_request()</code>
+  <pre>Create a BatchHttpRequest object based on the discovery document.
+
+        Args:
+          callback: callable, A callback to be called for each response, of the
+            form callback(id, response, exception). The first parameter is the
+            request id, and the second is the deserialized response object. The
+            third is an apiclient.errors.HttpError exception object if an HTTP
+            error occurred while processing the request, or None if no error
+            occurred.
+
+        Returns:
+          A BatchHttpRequest object based on the discovery document.
+        </pre>
+</div>
+
+<div class="method">
+    <code class="details" id="tokeninfo">tokeninfo(access_token=None, id_token=None)</code>
+  <pre>Get token info
+
+Args:
+  access_token: string, The oauth2 access token
+  id_token: string, The ID token
+
+Returns:
+  An object of the form:
+
+    {
+    "issued_to": "A String", # To whom was the token issued to. In general the same as audience.
+    "nonce": "A String", # Nonce of the id token.
+    "user_id": "A String", # The obfuscated user id.
+    "email_verified": True or False, # Boolean flag which is true if the email address is verified. Present only if the email scope is present in the request.
+    "expires_in": 42, # The expiry time of the token, as number of seconds left until expiry.
+    "access_type": "A String", # The access type granted with this token. It can be offline or online.
+    "audience": "A String", # Who is the intended audience for this token. In general the same as issued_to.
+    "issued_at": 42, # The issue time of the token, as number of seconds.
+    "scope": "A String", # The space separated list of scopes granted to this token.
+    "verified_email": True or False, # Boolean flag which is true if the email address is verified. Present only if the email scope is present in the request.
+    "email": "A String", # The email address of the user. Present only if the email scope is present in the request.
+    "issuer": "A String", # Who issued the token.
+  }</pre>
+</div>
+
+</body></html>
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