Add more information to YML commands

README.md

@@ -57,22 +57,29 @@ Never seems to remain empty...
 Here is a brief explanation of the implemented commands:
 
 * `clone`<br>
-Performs a `git clone`.
+Perform a `git clone`.
+With `-f`, remove and clone.
+With `-u`, perform a `git pull`.
+Branch can also be specified.
 
 * `copy`<br>
 Copy a file.
+With `-f`, overwrite existing.
 
 * `download`<br>
 Download a file with a URL.
+With `-f`, overwrite existing.
 
 * `install`<br>
 Use the package manager to install a package.
+Specific packages for Debian-based or Arch-based distros can be set.
 
 * `include`<br>
 Include another config file (also yml).
 
 * `run`<br>
 Pass a line of text to a subshell.
+A condition can be added to launch the command.
 
 * `depend`<br>
 Install another part of the config file before.
@@ -85,6 +92,7 @@ Make a symlink to a directory.
 
 * `append`<br>
 Append text to the end of a file.
+Will only append if the content isn't already in the file.
 
 * `write`<br>
 Write text to a file, overwriting if it exists.