Add double colon handling (support for paths with colons)

[morigs]

Resolves #175

[mcollina]

Could you run the benchmark before and after the change and post the results?

[mcollina]

Good work!

[morigs]

Sure. My results are the following

Before

lookup static route x 46,229,112 ops/sec ±0.54% (591 runs sampled)
lookup dynamic route x 2,886,813 ops/sec ±0.43% (586 runs sampled)
lookup dynamic multi-parametric route x 1,614,329 ops/sec ±0.18% (589 runs sampled)
lookup dynamic multi-parametric route with regex x 1,115,574 ops/sec ±0.18% (587 runs sampled)
lookup long static route x 2,904,037 ops/sec ±0.20% (588 runs sampled)
lookup long dynamic route x 2,018,473 ops/sec ±0.19% (590 runs sampled)
lookup static versioned route x 6,800,830 ops/sec ±0.19% (586 runs sampled)
find static route x 30,635,586 ops/sec ±1.11% (573 runs sampled)
find dynamic route x 3,362,088 ops/sec ±0.15% (589 runs sampled)
find dynamic multi-parametric route x 1,899,912 ops/sec ±0.20% (589 runs sampled)
find dynamic multi-parametric route with regex x 1,245,699 ops/sec ±0.19% (590 runs sampled)
find long static route x 4,195,288 ops/sec ±0.20% (589 runs sampled)
find long dynamic route x 2,691,891 ops/sec ±0.18% (590 runs sampled)
find static versioned route x 8,167,230 ops/sec ±0.22% (583 runs sampled)
find long nested dynamic route x 1,043,135 ops/sec ±0.13% (590 runs sampled)
find long nested dynamic route with other method x 2,010,740 ops/sec ±0.16% (589 runs sampled)

After

lookup static route x 46,398,290 ops/sec ±0.53% (590 runs sampled)
lookup dynamic route x 2,882,147 ops/sec ±0.18% (589 runs sampled)
lookup dynamic multi-parametric route x 1,575,300 ops/sec ±0.17% (591 runs sampled)
lookup dynamic multi-parametric route with regex x 1,182,742 ops/sec ±0.16% (590 runs sampled)
lookup long static route x 2,946,382 ops/sec ±0.32% (588 runs sampled)
lookup long dynamic route x 2,027,316 ops/sec ±0.32% (589 runs sampled)
lookup static versioned route x 6,859,823 ops/sec ±0.21% (586 runs sampled)
find static route x 32,015,062 ops/sec ±0.59% (576 runs sampled)
find dynamic route x 3,404,869 ops/sec ±0.16% (590 runs sampled)
find dynamic multi-parametric route x 1,855,533 ops/sec ±0.14% (590 runs sampled)
find dynamic multi-parametric route with regex x 1,310,752 ops/sec ±0.15% (591 runs sampled)
find long static route x 4,085,360 ops/sec ±0.14% (590 runs sampled)
find long dynamic route x 2,673,217 ops/sec ±0.15% (591 runs sampled)
find static versioned route x 8,030,499 ops/sec ±0.20% (581 runs sampled)
find long nested dynamic route x 1,034,793 ops/sec ±0.18% (592 runs sampled)
find long nested dynamic route with other method x 1,981,866 ops/sec ±0.13% (592 runs sampled)

[mcollina]

lgtm, this is ok as-is

[delvedor]

LGTM