call Uri.EscapeDataString on strings used in uris. (#255)

Updated Uri handling per this recommendation to use
`Uri.EscapeDataString()`.

See also: https://stackoverflow.com/a/34189188/86860

src/FMData.Rest/FileMakerRestClient.cs

@@ -624,7 +624,7 @@ public override async Task<IResponse> SendAsync(IDeleteRequest req)
  #endregion
 
  /// <summary>
- /// Runs a script with the specified layout context and with an optional (null/empty OK) paramater.
+ /// Runs a script with the specified layout context and with an optional (null/empty OK) parameter.
  /// </summary>
  /// <param name="layout">The layout to use for the context of the script.</param>
  /// <param name="script">The name of the script to run.</param>
@@ -634,11 +634,15 @@ public override async Task<string> RunScriptAsync(string layout, string script,
  {
  await UpdateTokenDateAsync().ConfigureAwait(false); // we're about to use the token so update date used
 
- // generate request url{
- var uri = $"{FmsUri}/fmi/data/v1/databases/{FileName}/layouts/{layout}/script/{script}";
+ // generate request url
+ var uri = $"{FmsUri}/fmi/data/v1"
+ + $"/databases/{Uri.EscapeDataString(FileName)}"
+ + $"/layouts/{Uri.EscapeDataString(layout)}"
+ + $"/script/{Uri.EscapeDataString(script)}";
+
  if (!string.IsNullOrEmpty(scriptParameter))
  {
- uri += $"?script.param={scriptParameter}";
+ uri += $"?script.param={Uri.EscapeDataString(scriptParameter)}";
  }
  var requestMessage = new HttpRequestMessage(HttpMethod.Get, uri);
 
@@ -894,8 +898,9 @@ public override async Task<IReadOnlyCollection<LayoutListItem>> GetLayoutsAsync(
  {
  await UpdateTokenDateAsync().ConfigureAwait(false); // we're about to use the token so update date used
 
- // generate request url{
- var uri = $"{FmsUri}/fmi/data/v1/databases/{FileName}/layouts";
+ // generate request url
+ var uri = $"{FmsUri}/fmi/data/v1/"
+ + $"databases/{Uri.EscapeDataString(FileName)}/layouts";
  var requestMessage = new HttpRequestMessage(HttpMethod.Get, uri);
 
  // include auth token
@@ -932,8 +937,9 @@ public override async Task<IReadOnlyCollection<ScriptListItem>> GetScriptsAsync(
  {
  await UpdateTokenDateAsync().ConfigureAwait(false); // we're about to use the token so update date used
 
- // generate request url{
- var uri = $"{FmsUri}/fmi/data/v1/databases/{FileName}/scripts";
+ // generate request url
+ var uri = $"{FmsUri}/fmi/data/v1"
+ + $"/databases/{Uri.EscapeDataString(FileName)}/scripts";
  var requestMessage = new HttpRequestMessage(HttpMethod.Get, uri);
 
  // include auth token
@@ -973,7 +979,9 @@ public override async Task<LayoutMetadata> GetLayoutAsync(string layout, int? re
  await UpdateTokenDateAsync().ConfigureAwait(false); // we're about to use the token so update date used
 
  // generate request url
- var uri = $"{FmsUri}/fmi/data/v1/databases/{FileName}/layouts/{layout}";
+ var uri = $"{FmsUri}/fmi/data/v1"
+ + $"/databases/{Uri.EscapeDataString(FileName)}"
+ + $"/layouts/{Uri.EscapeDataString(layout)}";
  if (recordId.HasValue)
  {
  uri += $"?recordId={recordId}";
@@ -1069,7 +1077,7 @@ public override async Task<IEditResponse> UpdateContainerAsync(
  }
 
  /// <summary>
- /// Utility method that must be overridden in implementations. Takes a containerfield url and populates a byte array utilizing the instance's http client.
+ /// Utility method that must be overridden in implementations. Takes a container field url and populates a byte array utilizing the instance's http client.
  /// </summary>
  /// <param name="containerEndPoint">The container field to load.</param>
  /// <returns>An array of bytes with the data from the container field.</returns>