Fixes Map Getter to be casi insensitive

Rationale in #137 (comment)

Adds early termination for when reporting span list is empty

Fixes #118 by @caozhipan

Fixes a bug in the tracing builder

This release fixes a bug in the tracing builder, thanks to @minbaby: #113

Adds support for timeout in cURL reporter

[#94] Supporting Timeout as an Option for Reporter - Thanks to @Aideen-Nasirishargh-CK

Fixes endpoint port from Globals

• #91: Uses integer point when creating an Endpoint from globals. Thanks to @nirnanaaa.

Adds support for extra headers in the Curl reporter

A new cool feature was introduced:

• #81: Option to add additional headers to endpoint request. Thanks to @anensshiya-govinthas-ck

And some other important improvements:

• #87: Reference phpunit schema as installed with composer. Thanks to @localheinz
• #86: Normalize composer.json. Thanks to @localheinz
• #88: Fixes dash characters in README. Thanks to @altitude

Cleans output in http reporting

cURL reporter is outputting a OK when the request to the collector was successful. This could cause a lot of noise in the stdout. Fixed in https://github.com/jcchavezs/zipkin-php/pull/79 by @anensshiya-govinthas-ck

Fixes the hashing for spans to avoid collisions

This new release fixes a bug described in https://github.com/jcchavezs/zipkin-php/issues/76 that was causing overriding of spans because of the reuse of hashes in spl_object_hash. Big thanks to @Aramack.

Adds InMemory reporter

Merge pull request #72 from jcchavezs/adds_in_memory_reporter

Adds InMemory reporter.

Adds a fix in the reporter default dependencies

Merge pull request #69 from jcchavezs/fixes_reporter_default_values

Fixes default values for reporter.