use '\n' instead of '|' for csv delimiter

The problem with using '|' is that '|' is a common value that appears in
WMI output.
Merge branch 'fix-wmic-output-delimiter' into master
let the user write the queries

Don't force the "SELECT * FROM class" query on everyone. Instead, let
the user write their own query, and maintain backwards compatibility by
using the templated form only for queries that do not have a space.
fix a typo related to queries
fix another typo about queries
a simple test against the query method
Merge branch 'fix-query-input' into master
version bump to: v0.0.10