Fixed the way boolean configuration values are converted to bools by

replacing bool() usage with a function that checks for specific string
values in order to determine True or False.

bool() will evaluate to True for all non empty strings.

Reported-by: Leonid Veytser <veytser@ll.mit.edu>
See #14

src/emanesh/emanesh/emaneshell.py

@@ -752,6 +752,17 @@ def do_set(self,args):
             if len(args) > index:
                 for expression in args[index:]:
                     m = re.match('^([0-9A-Za-z]+)=(.+)', expression)
+
+                    def toBool(val):
+                        val = val.lower()
+
+                        if val in ('yes','on','enable','true','1'):
+                            return True
+                        elif  val in ('no','off','disable','false','0'):
+                            return False
+                        else:
+                            raise ValueError()
+
                     convert = {'uint64' : (ControlPortClient.TYPE_UINT64,long),
                                'uint32' : (ControlPortClient.TYPE_UINT32,long),
                                'uint16' : (ControlPortClient.TYPE_UINT16,long),
@@ -760,7 +771,7 @@ def do_set(self,args):
                                'int32' : (ControlPortClient.TYPE_INT32,long),
                                'int16' : (ControlPortClient.TYPE_INT16,long),
                                'int8' : (ControlPortClient.TYPE_INT8,long),
-                               'bool' : (ControlPortClient.TYPE_BOOLEAN,bool),
+                               'bool' : (ControlPortClient.TYPE_BOOLEAN,toBool),
                                'string': (ControlPortClient.TYPE_STRING,str),
                                'inetaddr' : (ControlPortClient.TYPE_INETADDR,str),
                                'float' : (ControlPortClient.TYPE_FLOAT,float),