Log Message:
Update Hack-ttf to 2.018:

Version 2.018 (release build)

ttf, otf, webfont builds

Patch for missing glyphs in regular set:

    added U+016C (upper case U breve), regular set - Issue #21
    added U+016D (lower case u breve), regular set - Issue #21

Version 2.017 (release build)

ttf, otf, webfont builds

Changes vs. release v2.015:

    increased vertical position of the tilde (U+007E) to improve alignment with \ 
other glyphs - Issue #23
    increased width of the vertical stroke on the dollar symbol (U+0024) - Issue #92
    modified Cyrillic upper case C (U+0421) to differentiate from Latin C - \ 
Issues #22 & #29
    modified Cyrillic lower case c (U+0441) to differentiate from Latin c - \ 
Issues #22 & #29
    modified upper case theta (U+0398) to differentiate from lower case theta - \ 
Issue #36
    added U+0132 (IJ) glyph - Issue #52
    added U+0133 (ij) glyph - Issue #52
    added U+013F (upper case L dot) glyph - Issue #52
    added U+0140 (lower case l dot) glyph - Issue #52
    added U+0162 (upper case T cedilla) glyph - Issue #52
    added U+0163 (lower case t cedilla) glyph - Issue #52
    added U+0138 (kgreenlandic) glyph - Issue #52
    added U+266A (musical note) glyph - Issue #52
    added U+0149 (lower case n apostrophe) - Issue #52
    added U+1EF9 (lower case y tilde) glyph - Issue #102
    added U+1EF8 (upper case Y tilde) glyph - Issue #102
    added U+1EBD (lower case e tilde) glyph - Issue #102
    added U+1EBC (upper case E tilde) glyph - Issue #102
    added U+2116 (numero) glyph - Issues #22 & #114
    added U+01A4 (p hook) glyph - Issue #105
    added U+0108 (upper case C circumflex) - Issue #21
    added U+0109 (lower case c circumflex) - Issue #21
    added U+011C (upper case G circumflex) - Issue #21
    added U+011D (lower case g circumflex) - Issue #21
    added U+0124 (upper case H circumflex) - Issue #21
    added U+0125 (lower case h circumflex) - Issue #21
    added U+0134 (upper case J circumflex) - Issue #21
    added U+0135 (lower case j circumflex) - Issue #21
    added U+015C (upper case S circumflex) - Issue #21
    added U+015D (lower case s circumflex) - Issue #21
    added U+016C (upper case U breve) - Issue #21
    added U+016D (lower case u breve) - Issue #21
    added U+20B7 (spesmilo) - Issue #21
    fixed missing null glyph (U+0000) in regular, italic, bolditalic sets
    removed duplicate CR glyph (U+000D) in all sets - Issue #149
    updated ttfautohint to version 1.4.1 for TrueType (.ttf) build instruction sets

Version 2.016 (testing build)

    increased vertical position of the tilde (U+007E) to improve alignment with \ 
other glyphs - Issue #23
    increased width of the vertical stroke on the dollar symbol (U+0024) - Issue #92
    modified Cyrillic upper case C (U+0421) to differentiate from Latin C - \ 
Issues #22 & #29
    modified Cyrillic lower case c (U+0441) to differentiate from Latin c - \ 
Issues #22 & #29
    modified upper case theta (U+0398) to differentiate from lower case theta - \ 
Issue #36
    added U+1EF9 (lower case y tilde) glyph - Issue #102
    added U+1EF8 (upper case Y tilde) glyph - Issue #102
    added U+1EBD (lower case e tilde) glyph - Issue #102
    added U+1EBC (upper case E tilde) glyph - Issue #102
    added U+2116 (numero) glyph - Issues #22 & #114
    added U+01A4 (p hook) glyph - Issue #105
    added U+0108 (upper case C circumflex) - Issue #21
    added U+0109 (lower case c circumflex) - Issue #21
    added U+011C (upper case G circumflex) - Issue #21
    added U+011D (lower case g circumflex) - Issue #21
    added U+0124 (upper case H circumflex) - Issue #21
    added U+0125 (lower case h circumflex) - Issue #21
    added U+0134 (upper case J circumflex) - Issue #21
    added U+0135 (lower case j circumflex) - Issue #21
    added U+015C (upper case S circumflex) - Issue #21
    added U+015D (lower case s circumflex) - Issue #21
    added U+016C (upper case U breve) - Issue #21
    added U+016D (lower case u breve) - Issue #21
    added U+20B7 (spesmilo) - Issue #21
    updated ttfautohint to version 1.4 for TrueType (.ttf) build instruction sets