Updated CFLAGS to warn about implicit function declarations, and fixed the revealed issues.

Revert adding version 6.9.3 to test against. It isn't available everywhere yet.

Added new version to test because semver is hard.

Completed removing pear package.

Removed `pear package` command. It is not available on travis.

Fix travis to 7.0

Disable pear package command, as it no longer gets installed on 7.

Explicitly use bash for invocation.

Added ability to make build off individual ImageMagick commits to isolate problems.

Stop testing against very old versions of ImageMagick. No one cares or should care.

Corrected test failing for HDRI mode.

Fix travis regressions.

Forcing trigger of Travis.

Remove dev build from master as well as phpseven.

ImageMagick SVN has gone away.

Ifdef'd more things. Excluded more PHP + env combinations.

Ifdef'd some values. Added excludes to travis to bring CI time down.

Fixed failing tests.

Remove setprogressmonitor from versions that don't support it.
Make minimum tested version be one that is supported.
Disable errors for compile warnings.

Disable Valgrind installation. It isn't currently usable on Travis.

Tweaking travis and listing files.

Add support for ImageMagick 7.

Add basic support for ImageMagick 7, updated tests to not fail for functions removed in IM7. Added Travis tests against ImageMagick git dev repositories.

Travis has added PHP 7 nightly support, so adding it as a build target.

Removed hard coded CFLAGS. Fixed progressMonitor not working in "7".

Moved setting CFLAGS out of travis script, to allow it to be more flexible and not forced onto a single line.

Added PHP5.6 - only use strict compile options for 5.6