(chocolatey-archive#159) passing parameters to packages changed to st…

…ring

This now matches with the same as the installer args. Anything is allowed to be
passed in. Both will convert '' to " inside of '' - e.g. -params 'value1=''this
   value''; value2=2'

src/chocolatey.ps1

@@ -15,7 +15,7 @@
   [string] $name,
   [switch] $ignoreDependencies = $false,
   [alias("x86")][switch] $forceX86 = $false,
-  [alias("params")][alias("parameters")][alias("pkgParams")][hashtable]$packageParameters = @{},
+  [alias("params")][alias("parameters")][alias("pkgParams")][string]$packageParameters = '',
   [parameter(Position=1, ValueFromRemainingArguments=$true)]
   [string[]]$packageNames=@('')
 )
@@ -112,12 +112,18 @@ if ([Environment]::OSVersion.Version -lt (new-object 'Version' 6,0)){
   $source = $originalSource
 }
 
+# bump installarguments back to quotes
+$installArguments = $installArguments.Replace("'","""")
+$packageParameters = $packageParameters.Replace("'","""")
+
+
 #main entry point
 Append-Log
 
-Write-Debug "Arguments: `$command = '$command'|`$packageNames='$packageNames'|`$source='$source'|`$version='$version'|`$allVersions=$allVersions|`$InstallArguments='$installArguments'|`$overrideArguments=$overrideArgs|`$force=$force|`$prerelease=$prerelease|`$localonly=$localonly|`$verbosity=$verbosity|`$debug=$debug|`$name='$name'|`$ignoreDependencies=$ignoreDependencies|`$forceX86=$forceX86|`$packageParameters='$($packageParameters.GetEnumerator() | % {"$($_.Name)=$($_.Value)"})'"
+Write-Debug "Arguments: `$command = '$command'|`$packageNames='$packageNames'|`$source='$source'|`$version='$version'|`$allVersions=$allVersions|`$InstallArguments='$installArguments'|`$overrideArguments=$overrideArgs|`$force=$force|`$prerelease=$prerelease|`$localonly=$localonly|`$verbosity=$verbosity|`$debug=$debug|`$name='$name'|`$ignoreDependencies=$ignoreDependencies|`$forceX86=$forceX86|`$packageParameters='$packageParameters'|PowerShellVersion=$($host.version)"
+
+# run level environment variables
 
-# run level environment variables
 $env:chocolateyForceX86 = $null
 if ($forceX86) {
   $env:chocolateyForceX86 = $true