Fix whitespace and typos (#1481)

* Remove EOL whitespace in files other than docs

* Break paragraphs into lines

See http://rhodesmill.org/brandon/2012/one-sentence-per-line/ for the rationale

* Fix various typos

* Remove EOL whitespace in docs/commands/*.md

crates/nu-cli/src/commands/help.rs

@@ -87,8 +87,8 @@ Here are some tips to help you get started.
   * help commands - list all available commands
   * help <command name> - display help about a particular command
 
-Nushell works on the idea of a "pipeline". Pipelines are commands connected with the '|' character. Each stage 
-in the pipeline works together to load, parse, and display information to you.
+Nushell works on the idea of a "pipeline". Pipelines are commands connected with the '|' character.
+Each stage in the pipeline works together to load, parse, and display information to you.
 
 [Examples]
 

crates/nu-cli/src/commands/pick.rs

@@ -80,7 +80,7 @@ fn pick(
                         "No data to fetch.",
                         format!("Couldn't pick column \"{}\"", column),
                         path_member_tried.span,
-                        format!("How about exploring it with \"get\"? Check the input is appropiate originating from here"),
+                        format!("How about exploring it with \"get\"? Check the input is appropriate originating from here"),
                         obj_source.tag.span)
                     }
 

crates/nu-cli/src/env/environment_syncer.rs

@@ -208,7 +208,7 @@ mod tests {
                 assert_eq!(actual, expected);
             });
 
-            // Now confirm in-memory environment variables synced appropiately
+            // Now confirm in-memory environment variables synced appropriately
             // including the newer one accounted for.
             let environment = actual.env.lock();
 

crates/nu-cli/tests/commands/uniq.rs

@@ -67,7 +67,7 @@ fn nested_json_structures() {
         sandbox.with_files(vec![FileWithContentToBeTrimmed(
             "nested_json_structures.json",
             r#"
-            [ 
+            [
                 {
                   "name": "this is duplicated",
                   "nesting": [ { "a": "a", "b": "b" },

crates/nu-source/README.md

@@ -2,14 +2,14 @@
 
 ## Overview
 
-The `nu-source` crate contains types and traits used for keeping track of _metadata_ about values being processed. 
+The `nu-source` crate contains types and traits used for keeping track of _metadata_ about values being processed.
 Nu uses `Tag`s to keep track of where a value came from, an `AnchorLocation`,
 as well as positional information about the value, a `Span`.
-An `AchorLocation` can be a `Url`, `File`, or `Source` text that a value was parsed from.
+An `AnchorLocation` can be a `Url`, `File`, or `Source` text that a value was parsed from.
 The source `Text` is special in that it is a type similar to a `String` that comes with the ability to be cheaply cloned.
 A `Span` keeps track of a value's `start` and `end` positions.
 These types make up the metadata for a value and are wrapped up together in a `Tagged` struct,
-which holds everything needed to track and locate a value. 
+which holds everything needed to track and locate a value.
 
 
 Nu's metadata system can be seen when reporting errors.
@@ -20,11 +20,15 @@ In the following example Nu is able to report to the user where the typo of a co
   |          ^^^ did you mean 'type'?
 ```
 
-In addition to metadata tracking, `nu-source` also contains types and traits related to debugging, tracing, and formatting the metadata and values it processes.
+In addition to metadata tracking, `nu-source` also contains types and traits
+related to debugging, tracing, and formatting the metadata and values it processes.
 
 ## Other Resources
-- [Nushell Github Project](https://github.com/nushell): Contains all projects in the Nushell ecosystem such as the source code to Nushell as well as website and books.
-- [Nushell Git Repository](https://github.com/nushell/nushell): A direct link to the source git repository for Nushell
-- [Nushell Contributor Book](https://github.com/nushell/contributor-book): An overview of topics about Nushell to help you get started contributing to the project.
+- [Nushell Github Project](https://github.com/nushell):
+  Contains all projects in the Nushell ecosystem such as the source code to Nushell as well as website and books.
+- [Nushell Git Repository](https://github.com/nushell/nushell):
+  A direct link to the source git repository for Nushell
+- [Nushell Contributor Book](https://github.com/nushell/contributor-book):
+  An overview of topics about Nushell to help you get started contributing to the project.
 - [Discord Channel](https://discordapp.com/invite/NtAbbGn)
 - [Twitter](https://twitter.com/nu_shell)