#323 First version of changelog

CHANGELOG.md

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+v0.3.0-beta1
+============= 
+
+* using libdaemon to daemonize the ProxySQL process
+* added angel process that is able to monitor and restart ProxySQL
+* added separate error log
+* using MariaDB client library + libevent for connecting and querying backend MySQL servers
+* added a per-user:
+  * max_connection value that limits the number of connections from the same user
+  * transaction_persistent flag that keeps transactions within the same hostgroup for a certain user 
+* add debug build target (make debug will now build a binary with vs. make)
+* introduce support for packets larger than 16 MB (the maximal single packet size from MySQL binary protocol)
+* handling in-memory stats database locking errors gracefully by retrying (this leads to less errors when gathering stats under load)
+* added SHOW PROCESSLIST command for admin interface that aggregates running queries from all backends
+* added possibility of killing a query from a remote backend server
+* implemented LOAD MYSQL QUERY RULES FROM CONFIG
+* implemented SAVE MYSQL USERS FROM RUNTIME
+* implemented PROXYSQL FLUSH LOGS that makes log rotation possible
+* implemented some new admin interface queries
+  * select @@version_comment limit 1
+  * show charset
+  * show collation
+  * show tables from
+* added new admin tables
+  * stats_mysql_processlist
+  * stats_mysql_connection_pool
+  * stats_mysql_query_digest
+  * stats_mysql_query_digest_reset
+* added new variables for config file
+  * connect_timeout_server_max
+  * free_connections_pct
+  * connect_retries_delay
+  * max_transaction_time
+  * max_connections
+  * default_query_delay
+  * default_query_timeout
+  * sessions_sort
+  * default_reconnect
+* improved logging
+* support for 2 different config files
+  * proxysql.cfg
+  * proxysql.cnf