Changes to doc and to API, a bit more stable

doc/example_cooks/install_paintnet.yaml

@@ -0,0 +1,10 @@
+name: Install Paint.Net depending of Platform
+revision: 1
+steps:
+    - IF64BIT|
+    - REPOTOLOCAL|PaintDotNetMsi/PaintDotNet_424_x64.msi
+    - INSTALLMSI|PaintDotNet_424_x64.msi
+    - ELSE|32 Bit
+    - REPOTOLOCAL|PaintDotNetMsi/PaintDotNet_424_x86.msi
+    - INSTALLMSI|PaintDotNet_424_x86.msi
+    - ENDIF|

doc/howto_writecook.md

@@ -12,6 +12,7 @@ If the cook has to run everytime client is called (And not only one time per new
 If the cook has to run when no user is logued in, add:
 "atstartup: 1"
 Be aware that for be able to use this, in task scheduler (Or your favourite method) you have to run client.ps1 with argument "-startup 1" when no users are logued
+"only64bit: 1"/"only32bit: 1" only for 64 or 32 bit systems (Maybe for some updates can be used)
 
 And then, steps. First a "steps:" line, and then line by line the steps of the cook
 "steps:
@@ -49,6 +50,8 @@ Inside a cook, you can use IF/ELSE/ENDIF scheme.
 - IFSOFTWAREVER: Runs the if, if a program is installed and has X version. (Run with two param: "Name;Version")
 - IFPATHEXISTS: Runs if file exists
 - IFPWCMD: If powershell command returns $true (Executed succesfully), if is run
+- IF64BIT: If you are in a 64 Bit operating system
+- IF32BIT: If you are in a 32 Bit operating system
 - ELSE: Else..
 - ENDIF