Merge pull request #130 from marcioAlmada/master

Bash completion
use wget for download if available, else use curl
fix the downloader in cases when the download url is not for php source
Checking in changes prior to tagging of version 1.10.0.
update .travis config
Add --enable-xml to the default options
always enable xml
Merge branch 'master' of github.com:c9s/phpbrew
Checking in changes prior to tagging of version 1.10.1.
always extname with strtolower
Add curl variant
disable extension from shell
Checking in changes prior to tagging of version 1.10.2.
FAQ section