Improves the current filtering implementation complixity.
Currently, the best case is O(N) and worst case O(N^2) for key-value filtering.
In the new implementation, the best case is O(1) and worst case O(N), again for key-value filtering.
Signed-off-by: David Calavera <david.calavera@gmail.com>
Now filter name is trimmed and lowercased before evaluation for case
insensitive and whitespace trimemd check.
Signed-off-by: Oh Jinkyun <tintypemolly@gmail.com>
functions to pkg/parsers/kernel, and parsing filters to
pkg/parsers/filter. Adjust imports and package references.
Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
