IMP Forcer id order when no args in search
Merge pull request #11 from totaler/imp_noargs_noorder

IMP Forcer id order when no args in search
FIX 0 is not false

Also unify preprocessing of write fields
Merge pull request #12 from totaler/imp_prewrite_fields

FIX 0 is not false
IMP Default values treatment
IMP PEP8
IMP Context default value is None
Merge pull request #13 from totaler/imp_default_values

Imp default values
Version 0.3