Add:
    templates/index.html, static/sass/index.sass
        -Add pure CSS styling for "clicked" buttons, using the checkbox hack.

Add:
    static/sass/index.sass
        -Style `div#sidebar` contents.

Add:
    static/js/index.js
        -Add header comments to existing search-group manipulation functions.

    static/sass/index.sass
        -Remove style rules for the old advanced search form.

    templates/index.html
        -Add element tree for new search form.

Add:
    static/js/index.js
        -Add advanced-search form search-group logic.
        -Allow users to create new search groups, and cycle through existing
        ones.

    static/templates/index.html
        -Add search-group count widget, and selection/addition buttons.

    static/sass/index.sass
        -Style the various search group elements.

Add:
    static/js/index.js
        -Move `div#title` to the corner of the page when the search bar is
        `.partly-visible` (ie, results are displayed).

    templates/index.html, static/(sass/index.sass, img/*.png)
        -Replace the advanced-search button with a magnifying glass icon.

Add:
    static/js/index.js
        -Add a `jQuery` callback to `fadeIn()` and `fadeOut()` the
        advanced-search form.

    templates/index.html, static/sass/index.sass
        -Add advanced-search form toggling button markup and styling.

Add:
    bitshift/resources
        -Add directory for bitshift's Python resources.

    bitshift/resources/languages.json
        -Add `json` file containing all the programming languages supported by
        bitshift.

    bitshift/languages.py
        -Set `LANGS` by reading `languages.json`.

Add:
    static/(css, js)/lib
        -Add directories to contain third-party library files (eg,
        `jquery.min.js`).

    templates/index.html, static/js/index.js
        -Move `typeahead` initialization from `index.html` to `index.js`.

    static/sass/index.sass
        -Refactor `twitter-typeahead` specifier hierarchy.

Add:
    static/sass/index.sass
        -Add style rules for `datepicker` and `typeahead` elements.

    templates/index.html
        -Add any class specifiers required by both libraries to their
        corresponding elements.
        -Add a hack-ish `script` tag containing setup for `typeahead`.

Add:
    templates/index.html
        -Simplify form layout: reduce the number of independent adjacent `div`s,
        and position `label`s above their corresponding `input` elements.

    static/sass/index.sass
        -Remove now superfluous positioning rules for the previous layout.

Add:
    templates/index.html
        -Add compartmental `div` structure for the advanced-search form.

    static/sass/index.sass
        -Add layout style rules to the advanced-search form.

    app.py, templates/(about, developers).html
        -Add `Flask` routes and skeleton files for pages to be developed later.

Ref:
    static/js/index.js
        -Substitute some verbose `JavaScript` calls with their `jQuery`
        equivalents.

Add:
    static/js/index.js
        -Add new results to the results `div` whenever the user scrolls to the
        bottom of the page.

Add:
    static/js/index.js
        -Add `populateResults()`, to distinguish the addition of results to
        `div#results` from the retrieval of Codelets from the server itself.
        -Add `clearResults()` for convenience.

    static/sass/index.sass
        -Add `.cascade`, to provide new `div.result` elements with a
        downwards-cascading animation.

Add:
    static/sass/index.sass
        -Add a gradual CSS `transition` to the search-bar, when a query is
        entered for the first time.

    static/sass/_variables.sass
        -Add bitshift's three new primary base colors.

Add:
    static/js/index.js
        -Add conditional to prevent a search from being triggered when a
        non-character key combination (ie, `up`, `down`, `ctrl-c`) was entered.
        -Add `queryServer()`, currently only for testing purposes (it populates
        `div#results` with randomized content).
        -Add documentation comments to all functions.

    static/sass/index.sass
        -Add different styling to the `#search-field` whenever results are
        visible (in other words, at any point after a query has been executed).

Add:
    templates/index.html
        -Add search bar elements.

    static/sass/index.sass
        -Add styling for the search entry bar.

Fix:
    static/sass/main.sass
        -Fix footer's styling, which lacked a `bottom: 0px` that floored it.