Parse issue when attribute is a nested hash with an array value

[erezzarum]

OK

foo => {
  bar => { }
}
Results:
vars.foo["bar"] = {
}

OK

foo1 => [ 'bar1' ] 
Results:
vars.foo1 = [ "bar1 "]

Fail

foo2 => {
  bar2 => [ 'bar3', 'bar4', ],
}
Results:
vars.foo2bar2 = [ "bar3", "bar4" ]

Expected:
vars.foo2["bar2"] = [ "bar3", "bar4" ]

OK

foo3 => {
 bar => {
  bar1 => { },
}
Results:
vars.foo3["bar"] = {
  bar1 = {        
  }               
}                 

Fail

foo4 => { }
Results: 
Removed (does not exist)

Expected: 
vars.foo4 = {
}

Fail

foo5 => {
  bar1 => [ 'bar2', 'bar3', ],
  bar4 => { bar5 => 'bar6' },
}
Results:
vars.foo5bar1 = [ "bar2", "bar3", ]     
vars.foo5["bar4"] = {                   
  bar5 = "bar6"                         
}
                            
Expected:
vars.foo5["bar1"] = [ "bar2", "bar3" ]
vars.foo5["bar4"] = {
  bar5 = "bar6"
}  

Fail

foo6 => {
  bar1 => { bar2 => 'bar3' },
  bar4 => [ 'bar5', 'bar6', ],
}
Results:
vars.foo6["bar1"] = {                
  bar2 = "bar3"                      
}                                    
vars.foo6bar4 = [ "bar5", "bar6", ]  

Expected: 
vars.foo6["bar1"] = {
  bar2 = "bar3"
}
foo6["bar4"] = [ "bar5", "bar6" ]

OK

foo7 => {
        bar1 => { bar2 => 'bar3', bar4 => 'bar5', },
}
Results:
vars.foo7["bar1"] = {
  bar2 = "bar3"
  bar4 = "bar5"
}

[lbetz]

merged into master, added some unit tests.