Merge branch 'master' of github.com:php-ds/extension

Fix pair reflection bugs by avoiding __get and __set

Update README.md

Update test.php

Merge pull request #124 from rvanvelzen/float-hash

Improve float/double hash values

Make sure -0.0 and 0.0 generate the same hash

Use spl_object_id instead of spl_object_hash to provide object hash values

This provides a significant speed boost on the Set::add benchmark (for 2**20 values the time went from 240ms to 100

Use spl_object_id instead of spl_object_hash to provide object hash values

This provides a significant speed boost on the Set::add benchmark (for 2**20 values the time went from 240ms to 100ms on my machine)

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Improve float/double hash values

Right now the hash value for floats is their integer component. Instead, use dark magic to map the bits to an int.

Update README.md

Remove --disable-all from appveyor

Add xml to appveyor

Add mbstring to appveyor build

Fix memory leak on deque filter exception

Remove special equal function for now

Add special ds is_equal function WIP

Move next power of 2 to common

Improve deque allocation boundaries and foreach

Fix memory leaks, smarter reallocations

Use master tests

Change filter callback check to expected bool check in vector

Add ds_set_map and pass indices to filter callbacks

Add Set::map method

Add opcache check in test script

Remove rogue comment

Small refactor of deque_push_va